x intercept of f(x)=(x+5)(x+1)(x-7)

Determine x intercept of function
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1 Answer

The x-intercept is when f(x) or y equals 0.

0 = (x+5)(x+1)(x-7)

x = -5, -1, 7

There are three x-intercepts because any of these three numbers (-5, -1, 7) will make f(x) = 0.

Answer:  x = -5, -1, 7

by Level 13 User (103k points)

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