factor the polynomial?

0 ⤊

a^2-b^2+7a-7b

2007-03-08 03:33:59 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

(a^2-b^2) + 7(a-b) = (a-b)(a+b) + 7(a-b) = (a-b)[(a+b)+7]

2007-03-08 03:48:36 · answer #1 · answered by kellenraid 6 · 0⤊ 0⤋

a^2-b^2+7a-7b
=(a+b)(a-b)+7(a-b)
=(a-b)(a+b+7)

2007-03-08 11:45:29 · answer #2 · answered by Anonymous · 0⤊ 0⤋

(a + b)(a - b) - 7(a + b)
(a - b - 7)(a + b).

2007-03-08 11:46:08 · answer #3 · answered by Newbody 4 · 0⤊ 0⤋