Sunday, July 17, 2011

Solve the equation.(x+2)(x+5)=-2?

foil it and you should get x^2+7x+10=-2. add 2 to both sides to set it equal to zero, so you have x^2+7x+12=0. Factor it back into (x+3)(x+4)=0 and you have two zeros, -3 and -4.

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