algebra

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)

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asked by ant
  1. What are the factors of the following trinomial?

    16y^2 - 12y + 2

    a) (4y - 1) (4y - 2)
    b) (2y - 1) (8y + 2)
    c) (16y - 1) (y - 2)
    d) (8y - 1) (2y - 2)


    i think a but i can be wrong

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    posted by ant
  2. See http://www.jiskha.com/display.cgi?id=1275520227 for the first post.
    For the second post, the choice is correct.
    (4y-1)(4y-2)
    =16y² - 4y - 2(4y) + (-1)(-2)
    =16y² -12y +2

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    posted by MathMate

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