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The x-intercepts of the parabola y = x^2 + bx + c are (-3,0) and (-5,0) Find the equation of the parabola, and submit your answer in y = x^2 + bx + c form.

 Feb 12, 2021
 #1
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roots at x = -3 and x = -5 :             (x+3)(x+5) = 0

                                              x^2 + 8x + 15 = 0

 Feb 12, 2021
 #2
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...or   f(x) = y = x^2 +8x + 15

Guest Feb 12, 2021

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