SOLUTION: Solve using square roots: -12 = x^2 - 21

SOLUTION: Solve using square roots: -12 = x^2 - 21

Algebra.Com

Question 429421: Solve using square roots:
-12 = x^2 - 21
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!

==> x = -3, 3
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