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2 votes
Which statements are true when solving x^2=81

2 Answers

4 votes

Answer: x

2

=

81

can be written as

x

2

81

=

0

by property ,

a

2

b

2

=

(

a

+

b

)

(

a

b

)

The expression becomes

x

2

(

9

)

2

=

0

(

x

9

)

(

x

+

9

)

=

0

equating each of the terms with zero we obtain the solution

x

9

=

0

and

x

+

9

=

0

the solutions are

x

=

9

or

x

=

9

Explanation:

User Athan
by
6.2k points
5 votes

Answer:

A) Take the square root of both sides to solve

E) x = ±9

Explanation:

User Dmytro Danylyk
by
8.6k points

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