How can b^2+9b+14 be re-written? 1) (b+7) (b-7) 2) (b-7) (b-2) 3) (b+7) (b-2) 4) (b+7) (b+2)

asked Mar 17, 2015 220k views

2 votes

How can b^2+9b+14 be re-written?

1) (b+7) (b-7)
2) (b-7) (b-2)
3) (b+7) (b-2)
4) (b+7) (b+2)

by Soliz

8.0k points

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6 votes

$b^2+9b+14 =\\ \\=b^2+9b-2b + 2b +14 =\\ \\ =b^2+7b +2b +14 = \\ \\ = b(b+7)+2(b+7)=\\ \\=(b+7)(b+2) \\ \\ Answer: \ 4. ) \ (b+7)(b+2)$

Kstromeiraos answered Mar 24, 2015

8.8k points

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