Posted by **ant** on Wednesday, June 2, 2010 at 7:10pm.

Factor: 2xy + 6x - 4y - 12

a)(2x + 4) (y + 3)

b)(2x - 4) (y + 3)^2

c)(2x - 4) (y - 3)

d)(2x - 4) (y + 3)

- algebra -
**amy**, Wednesday, June 2, 2010 at 7:13pm
2x(y+3)-4(y+3)

(2x-4)(y+3)

so the answer is d

- algebra -
**MathMate**, Wednesday, June 2, 2010 at 7:18pm
(a) and (c) give a constant term of +12, so it cannot be right. (b) gives a constant term of -4*3²=-36...not good.

The only candidate (d) can be confirmed by expansion (multiplication).

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