Answers 26MATH_Recovery_Alg1B22Multiplying Polynomials and Simplifying Expressions

Multiplying Polynomials and Simplifying Expressions Answers

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This polynomial is an example of a .

difference of cubes

difference of squares

perfect-square trinomial

sum of cubes

The modified expression, x3(2x + 5) – 4(2x + 5), has two terms with a common factor of .

–4

2x + 5

x³

x³ – 4

What is the completely factored form of x2y – 2xy – 24y?

(xy + 4)(x – 6)

xy(x + 4)(x – 6)

y(x + 4)(x – 6)

y(x + 4)(xy – 6)

x2 – 9 can be factored using the formula.

difference-of-squares

difference-of-cubes

sum-of-cubes

Factor out the common factor.

2x4 + 5x3 – 8x –20

(x3 + 4)(–2x – 5)

(x3 – 4)(2x + 5)

(x3 + 4)(2x + 5)

What is the completely factored form of x3 + 4x2 – 9x – 36?

(x + 3)(x – 3)

(x2 – 9)(x + 4)

(x + 3)(x – 3)(x + 4)

(x – 3)(x – 3)(x + 4)

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