How to do I solve this problem? 3x^2−12=0

tun1ju2k1ki

tun1ju2k1ki

Answered question

2022-09-30

How to do I solve this problem? 3 x 2 - 12 = 0

Answer & Explanation

Collin Gilbert

Collin Gilbert

Beginner2022-10-01Added 11 answers

You need to factor 3 x 2 - 12 , which ends up being
3(x+2)(x−2)
and then set each of these (but ignore the 3) equal to zero and solve.
x+2=0
x+2−2=0−2
x=−2
and
x−2=0
x−2+2=0+2
x=2
So x=2,−2

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