SOLUTION: Find the real zeros of the polynomial function by factoring. The number in parentheses to the right of the polynomial indicates the number of real zeros of the given polynomial fun

SOLUTION: Find the real zeros of the polynomial function by factoring. The number in parentheses to the right of the polynomial indicates the number of real zeros of the given polynomial fun

Algebra.Com

Question 1003427: Find the real zeros of the polynomial function by factoring. The number in parentheses to the right of the polynomial indicates the number of real zeros of the given polynomial function. (Enter your answers as a comma-separated list.)
P(x) = x^3 − 3x^2 − 28x
(3)
x =

Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
P(x) = x^3 − 3x^2 − 28x
Factor out x
x(x^2 - 3x - 28) = 0
factor the quadratic
x(x-7)(x+4) = 0
Three zeros
x = 0, 7, -4

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