x 2 + 8 x + 6 = 0 x 2 + 8 x + 16 + 6 − 16 = 0 x 2 + 8 x + 16 − 10 = 0 x 2 + 8 x + 16 = 10 ( x + 4 ) 2 = 10 x + 4 = 10 or x + 4 = − 10 x = 10 − 4 or x = − 4 − 10
The unsimplified solution for the quadratic equation x 2 + 8 x + 6 = 0 is x = − 4 + 10 and x = − 4 − 10 . These solutions were found using the quadratic formula. The discriminant was calculated to aid in determining the roots.
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