Solve x2 + 12x = –20 by completing the square.

Question

Revolt · Accepted Answer

✔ 36; Add to both sides of the equation. The value of in this equation is .: 36; Write the left side of the equation as a binomial squared. The left side of the equation becomes ()2.: x + 6; Isolate the variable: x =: –10 or –2

Solving Quadratic Equations: Completing the Square

Solve x2 + 12x = –20 by completing the square.

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