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

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asked Nov 3, 2021 23.9k views

1 Answer

Ittiel · Answer 1 · 2021-11-09T12:02:03+0000

Answer:

Solve x2 + 12x = –20 by completing the square.Add to both sides of the equation. The value of in this equation is 36Write the left side of the equation as a binomial squared. The left side of the equation becomes (x+6)2.Use the square root property of equality.Isolate the variable: x = -10 and -2

Explanation:

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

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