**x = 0, x = 2 and x = -1**

Need the answer. Didn't know on the midterm.

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Let's say

f(x) = 3x(x - 2)(x + 1) = 0

We know that this is true when **x = 0, x = 2 and x = -1**

The person who gave you this problem is very kind. It is already factored in such a way that the identity of the zeros is manifestly obvious.

Yasaman A. | tutoring in math and sciencetutoring in math and science

3x(x - 2)(x + 1) = 0

if the product is equal to zero, then one of the numbers should be zero. for example:3x2x0=0

So, 3x=0 or x-2=0 or x+1=0

3x=0 x=0

x-2=0 x=2

x+1=0 x=-1

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