# Roots count

Substitute the numbers/0,1,2,3/into the equation as x:

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

Which of them is its solution?

Is there another number that solves this equation?

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

Which of them is its solution?

Is there another number that solves this equation?

### Correct answer:

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