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OpenStudy (moongazer):
What are the points of intersection of y = 8 and f(x) = x(x+2)? Please answer clearly and explain the solution clearly and easy to understand. Thanks! (guaranteed medal for a good answer)
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OpenStudy (anonymous):
8=x(x+2) 8=x^2+2x x^2+2x-8=0 (x+4)(x-2)=0 x=-4 x=2
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