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evaluate function and multiply polynomial

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1. Simplify and evaluate: (42x3y-2z-3/x-5y8z-9)2

2. Convert to scientific notation (here you may use x as multiplication): 0.00083

3. For f(x) = 6x - 7, find f(2).

4. Perform the indicated operations: (-x2 - 6x + 3) - (-9x2 + x - 1) - (x2 + 5x - 2)

5. Use FOIL to multiply: (8x - 1)(2x + 5)

6. Multiply: (x4 - 4x2 - 5)(x2 - x + 2)

7. Multiply the polynominals: (3t - 2)(2t + 3)

8. Give an example of using the distributive property for a negative monomial times a trinomial with different signs on the terms [for example: -3x(2xy + 3y - 2x)] and show each step of the distribution. Why do you think many students make sign errors on this type of problem? What would be your advice to a student who has trouble with the signs?

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Solution Summary

The solution explains the operations on the polynomial in detail, such as, subtraction, multiplication.

Solution Preview

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5. FOIL: first, outside, inside, last
First- multiply ...

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