AnswersAZ-Common Core Algebra II ASum and Difference of Two Cubes

Sum and Difference of Two Cubes Answers

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1
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Multiply 2x(x2 + 5).

A
2x3 + 10x2
B
2x3 + 10x
C
2x2 + 10x
D
2x3 + 5x
2
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Which expression is equal to 5(2x2 – 1) + 3(7x2 + 1)?

A
11x2 + 2
B
11x2 – 2
C
31x2 + 2
D
31x2 – 2
3

What is the correct factorization ofx2 + 5x – 6?

A
(x – 1) (x + 6)
B
(x + 1) (x – 6)
C
(x – 2) (x – 3)
D
(x – 2) (x + 3)

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