SOLUTION: Can you please help me solve using the principle of square roots? x^2 - 14x + 49 = 9

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Question 64497: Can you please help me solve using the principle of square roots?
x^2 - 14x + 49 = 9
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for x using the "principle of square roots".
x%5E2-14x%2B49+=+9 Factor the left side.
%28x-7%29%5E2+=+9 Take the square root of both sides.
x-7+=+3 Add 7 to both sides.
x+=+10