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posted by liz on Thursday, December 10, 2009 at 9:18pm.
x^2+10x Add the proper constant to the binomial so tha tthe resulting trinomial is a perfect square trinomial. Then factor the trinomial
Example: x²+6x =x²+2(3x) =(x+3)²-3² Or: x²+6x+3² = (x+3)²
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