How to do I solve this problem? $3{x}^{2}-12=0$

tun1ju2k1ki
2022-09-30
Answered

How to do I solve this problem? $3{x}^{2}-12=0$

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Collin Gilbert

Answered 2022-10-01
Author has **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

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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