SOLUTION: X^2 + 4x -8=0

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Question 757148: X^2 + 4x -8=0
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!

You can complete the square
Take 1/2 of the coefficient of ,
square it, and add it to both sides
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First, add to both sides





Take the square root of both sides



and, also,


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You can check the solutions by plugging them back
into the original equation






OK -you can check other solution

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