04/09/13

explain x^2+4x-x-4 step by step please

How do I get the answer (x+4) (x-1), from x^2+4x-x-4? Please explain step by step. sharon

04/09/13

x(x-2)+3(2-x)why is the 2 not in the answer?

x(x-2)+3(2-x). What are the step by step answers?    

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