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$0=-x^{2}+2x+15$

Guest May 29, 2015

+130458

+5

Best Answer

0=-x^{2}+2x+15 multiply through by -1

0 = x^2 - 2x - 15 factor

0 = (x -5) ( x + 3) and setting each factor to 0, we have that x = 5 or x = -3

CPhill May 29, 2015

CPhill · Answer 1 · 2015-05-29T03:43:34

0=-x^{2}+2x+15 multiply through by -1

0 = x^2 - 2x - 15 factor

0 = (x -5) ( x + 3) and setting each factor to 0, we have that x = 5 or x = -3