AnswersFL-1200330-Algebra 2 CRAddition and Subtraction of Polynomials

Addition and Subtraction of Polynomials Answers

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1
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The polynomial x3 + 4x2 – 9x – 36 has 4 terms. Use factoring by grouping to find the correct factorization.

A
(x2 + 9)(x + 4)
B
(x2 – 9)(x – 4)
C
(x2 + 9)(x – 4)
D
(x2 – 9)(x + 4)
2
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x2 – 9 can be factored using the formula.

A
difference-of-squares
B
difference-of-cubes
C
sum-of-cubes
3

What is the factored form of x6 – 9?

A
(x + 3)(x – 3)
B
(x5 + 3)(x – 3)
C
(x3 + 3)(x2 – 3)
D
(x3 + 3)(x3 – 3)
4

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

A
(x + 3)(x – 3)
B
(x2 – 9)(x + 4)
C
(x + 3)(x – 3)(x + 4)
D
(x – 3)(x – 3)(x + 4)

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