# SOLUTION: Please solve following quadratic equations using method completing the square: x^2 + x = -1

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 Quadratics: solvers Practice! Answers archive Lessons Word Problems In Depth

 Question 15483: Please solve following quadratic equations using method completing the square: x^2 + x = -1 Answer by Earlsdon(6287)   (Show Source): You can put this solution on YOUR website!Solve by completing the square: Complete the square in the x-terms by adding the square of half the coefficient of the x-term to both sides. This means adding to both sides. Factor the left side. Take the square root of both sides. Subtract from both sides. Simplify. and/or