When 5x^2-20 is factored, how many facors are in the result?A. 2 B. 3 C. 4 D. 5

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thilina-g | College Teacher | (Level 1) Educator

Posted on

`5x^2-20`

We can take 5 out.
`5(x^2-4)`

We can rewrite this as,

`5(x-2)(x+2)`

 

Therefore there are 3 factors. 5, (x-2) and (x+2).

The answer is B.

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