SOLUTION: Solve by completing the square: x^2 + 8x-3 = 0

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Question 34171: Solve by completing the square: x^2 + 8x-3 = 0

Answer by Cintchr(481)   (Show Source): You can put this solution on YOUR website!

To complete the square, you must make the left side a perfect square trinomial.
Add three to both sides

using find the number that will "complete the square"

Add 16 to both sides

Factor the left ... add the right

Squareroot both sides

subtract 4 from both sides

Remember that there is a + and a - since there has to be two solutions for a perfect square trinomial

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