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4 votes
Solve for x. 4x2 = 324

User Djwbrown
by
7.2k points

1 Answer

1 vote

Answer:

=−9

=9

Explanation:

4

2

=

3

2

4

4x^{2}=324

4x2=324

4

2

3

2

4

=

04

2

3

2

4

=

0

4x^{2}-324=0

4x2−324=0

4

(

2

8

1

)

=

04

(

2

8

1

)

=

0

4(x^{2}{\color{#c92786}{-81}})=0

4(x2−81)=0

4

(

2

+

9

9

8

1

)

=

0

Happy To Help!

User Sonarforte
by
6.8k points