How do you factor the expression $3x^2- 6x + 9$ ?

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Answer 1 · 2016-07-22T11:56:55

$=3(x^2 -2x +3)" There are two factors"$

$3x^2 - 6x +9" look for a common factor"$

$=3(x^2 -2x +3)$

The quadratic cannot be factored further because there are no factors of 3 which add up to 3.

How do you factor the expression 3x^2- 6x + 93x^2- 6x + 9?