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April 16, 2014

April 16, 2014

Posted by **jerson** on Saturday, April 10, 2010 at 9:42pm.

- factoring -
**MathMate**, Saturday, April 10, 2010 at 9:54pm2x^2-10x+8

=2(x²-5x+4)

Find numbers a and b such that

a*b=4, and a+b=-5

=2(x+a)(x+b)

=2(x-4)(x-1)

i.e. a=-4, b=-1

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