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4x^2=81 how do I figure this out​
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1 vote
4x^2=81 how do I figure this out​

User Saranda
by
7.5k points

1 Answer

4 votes

Answer:

x = ± 9/2

Explanation:

isolate the

x

2

term , by dividing by 4

hence

x

2

= 81/4⇒

x

=

±

√

81

4

=

±

9

2

User Cmcromance
by
7.2k points
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