David W. answered • 12/18/18
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Given: -8 = x^2+11x+20
0 = x^2 + 11x + 28
0 = (x+4)(x+7)
Either x = -4 or x = -7
Ringnyuh S.
asked • 12/18/18For the funtion f(x)=x^2+11x+20, find x when f(x)=-8
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