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Solve x^2 = 81. x = + -

Solve x^2 = 81. x = + -
155k views
2 votes
Solve x^2 = 81.
x = +
-

Solve x^2 = 81. x = + --example-1
User Artier
by
7.9k points

1 Answer

2 votes

Answer:

x = ±9

Explanation:

x^2 = 81

Take the square root of each side

sqrt(x^2) = ±sqrt(81)

x = ±9

User Andrey Shokhin
by
8.3k points
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