Simplifying and Solving Equations
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16) Simplify: (3x^2 + 7y + 4xy - x^2) - (10y + 2(2xy) -3y + 3x(x) -1)
17) Simplify: (10x + 15) divided by 5(x+3)
18) What is the area of a rectangle that has sides of (x+4) and 2(x+3)? Simplify.
19) Simplify: SR(15x^5) divided by SR(3x)
SR: square root
20) Solve: 9 + 3z + 4z = -21 + 2z - 5z
21) What number(s) is forbidden (undefined) for x to be for:
(2x^4 + 4x) divided by (x^3 + 27)
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16) Simplify: (3x^2 + 7y + 4xy - x^2) - (10y + 2(2xy) -3y + 3x(x) -1)
Remove the parentheses:
Combine the like terms
17) Simplify: (10x + 15) divided by 5(x+3)
By extracting out the GCF (greatest common factor) of 10 and 15, ...
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