Question

What are the zeros of the polynomial function f(x)=x(x-4)(x+9)
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Answer 1

a zero can be found in each parenthesis (x+0) (x-4) (x+9)

0 4 -9

easy to find but make sure you always switch signs

Answer 2

The zeros are 0, 4, and -9

Explanation:

A zero can be found in each parenthesis.

(x+0)(x-4)(x+9)

0 4 -9

Easy to find but make sure you always switch the signs.