### Simplifying Expressions

Do the addition: 7a^3 + 8a^2 + 3 + -2a^3 + 9a - 6 4a^3 - 3a^2 + 3a + 6 ___________________________

Explore BrainMass

- Anthropology
- Art, Music, and Creative Writing
- Biology
- Business
- Chemistry
- Computer Science
- Drama, Film, and Mass Communication
- Earth Sciences
- Economics
- Education
- Engineering
- English Language and Literature
- Gender Studies
- Health Sciences
- History
- International Development
- Languages
- Law
- Mathematics
- Philosophy
- Physics
- Political Science
- Psychology
- Religious Studies
- Social Work
- Sociology
- Statistics

- Mathematics
- /
- Algebra
- /

Do the addition: 7a^3 + 8a^2 + 3 + -2a^3 + 9a - 6 4a^3 - 3a^2 + 3a + 6 ___________________________

Multiply: (x2 + 5x - 4)(x2 - x + 2)

Use FOIL to multiply: (3x - 4)(3x - 5)

Perform the indicated operations: (8x2 - 2x + 11) - (-9x2 - x - 6) - (x2 + 2x - 5)

Simplify the expression. Assume a and b are positive real numbers and m and n are rational numbers. See attached file for full problem description.

Factor the polynomial completely and state if prime 9x^2 +4y^2

Factor out the GCF in the expression -6h^5 t^2 +3h^3 t^6

Find the GCF 45m^2n^5, 56a^4b^8

10 Problems Please see the attached file for the fully formatted problems. 1. Find the value of x: . Choose the correct answer from the following: 2. Evaluate the expression . 3. Write the equation in logarithmic form. 4. Evaluate the expression log 2 1. 5. Fill in the blank to make a true statement.

See attached file for full problem description. 1. for g(x) = sqrt(x^2 - 20), find g(5) 2. find the domain of f(x) = sqrt(x) + 6 3. the cost of making clocks is c = 121sqrt(n + 36). what is c when no clocks are made? 4. find the following: sqrt((14y)^2) 5. simplify: y^(4/3)/y^(5/6) 6. graph: f(x) = -sqrt(2 - x)

Determine the degree of the extension. See attached file for full problem description.

1.Solve by completing the square: x2 + 4x + 2 = 0 2. Solve using the square root property: (x + 3)2 = 36 3.Solve by factoring: x2 - 9x = -8

1. 8x^2 - 24x = 9 2. choose from the following a quadratic with solutions of 9 and 3 a. x^2 - 10x + 27 = 0 b. x^2 - 12x + 27 = 0 c. x^2 - 14x + 25 = 0 d. x^2 - 12x + 29 = 0 3. The height h (in feet) of and object is dropped from the height of s fe

Using the quadratic equation x2 - 4x - 5 = 0, perform the following assignment; Solve by factoring and solve by using the quadratic formula 2) For the function y = x2 - 4x - 5, Put the function in the form y = a(x - h)2 + k.

Cos 2x + 2 sin^2 x

Simplify the expression (csc O)(1-cos2squared O)(cot O)

See attached file for full problem description. Problems: 10, 12, 57.

Please see the attached file. (Questions 1, 2) Solve the absolute value inequality: |4x - 4| >= 1 |r - 4.6| < 9 (Question 3) Multiply and simplify: 6y x 4y + 2 12y + 6 5 (Question 4) Find the domain: f(x) = (x2 + 8x)/(x - 8) (Question 5) Find the LCM: 63x, 9x2, yx3 (Question 6) Simplify:

I need clear solutions to problems d,e, and f on the attached PDF. I also need help with this problem: The number of e-coli present in a given culture after t hours is given by the formula: N=1000e^(.69t) The doubling time is five hours a. What is the continuous growth rate? b. What is the annual growth rate?

18. match the system of inequalities to a region in the picture x + 2y <= 8 3x - 2y <= 0 22. solve the system of linear inequalities graphically 3x + 4y <= 12 y >= -3 32. solve the system of linear inequalities graphically, find the coordinates of each corner points, and indicate whether the solution region is bo

Extrema & Critical Points. Need only circled questions. See attached file for full problem description.

X^3 +50

Exponential Model on Growth of Internet Networks 1989- 1996 Internet Network: A global network connecting millions of computers. More than 100 countries are linked into exchanges of data, news and opinions. The Internet is revolutionizing and enhancing the way we as humans communicate, both locally and around the globe. Si

4. Find the midpoint between these points: (-1, 4) and (-7, -1)

1. You are hiking along the California coast and wonder about the height of a particular Giant Redwood tree. You are 5 feet and nine inches tall and your shadow is 5 feet long. The shadow of the tree is 195 feet long. How tall is the tree? 2. The next two problems are examples of "simple Hindu Algebra", quoted on page 528 of

1. Factor. 8m4n - 16mn4 A) 8m4n(1 - 16mn4) B) 8m4n(1 - 2n3) C) 8m4n4(m - 2n) D) 8mn(m3 - 2n3) 2. Factor completely. b2 - ab - 6a2 A) (b - 3a)(b + 2a) B) (b + 3a)(b - 2a) C) (b - 6a)(b + a) D) (b + 6a)(b - a) 3. Factor completely. 3(x - 2)2 - 3(x - 2) - 6 A) 3(x - 4)(x - 1) B) 3(x - 4)(x + 1) C) 3(x

Let F be a field and f(x), g(x) be elements of F[x]. Show that f(x) divides g(x) if and only if g(x) is an element of < f(x) >. Note that < f(x) > is an ideal. Below is a problem from an undergraduate course in Abstract Algebra. The book we use is titled "A First Course in Abstract Algebra" by John B. Fraleigh. We have

Determine the minimal polynomial over Q for the element 1+i.

Translate to an algebra statement; do not solve: Nine times the difference of a number and twelve yields the same result as triple the same number increased by seven.

12 Problems. Please see the attached file for the fully formatted problems. Section 4.1 Find the greatest common factor for each of the following sets of terms. Exercise 14 , , Exercise 42 Factor each of the following polynomials. Exercise 60 Find the GCF of each product. Exercise 62 T