Use the x-intercept method to find all real solutions of the equation. x^3- 7x2 + 7x + 15 = 0 a. X = -1, 3, or -5 b. x= 1, -3, or -5 c. X = -1, 3, or 5 d. X = 1, -3, or 5

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asked Nov 8, 2021 162k views

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Use the x-intercept method to find all real solutions of the equation.

x^3- 7x2 + 7x + 15 = 0

a. X = -1, 3, or -5
b. x= 1, -3, or -5
c. X = -1, 3, or 5
d. X = 1, -3, or 5

Mathematics
high-school

John Wells asked

by John Wells

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I believe it is C. X=-1,3,5

Nino Filiu answered Nov 15, 2021

by Nino Filiu

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