SOLUTION: Solve the equation. x^2 + 8 = 28

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Question 319817: Solve the equation.
x^2 + 8 = 28
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
+x%5E2+%2B+8+=+28+
Subtracting 8 from both sides:
+x%5E2+=+20+
Take the square root of both sides:
+x+=+sqrt%2820%29+
+x+=+sqrt%282%2A2%2A5%29+
+x+=+2sqrt%285%29+