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April 25, 2015

Homework Help: Algebra

Posted by John on Monday, October 22, 2007 at 9:08pm.

checking problem
Use FOIL to multiply:
(6x 1)(3x 4)
6x*3x + 6x*(-4) + (-1)*3x + (-1)*(-4) =
6x*3x = 18x^2
6x*-4 = -24x
-1*3x = -3x
-1* -4 = 4

18x^2 24x -3x +4 =
18x^2 27x + 4

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