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Mathematics 20 Online
OpenStudy (anonymous):

completing the square y=x^2+2x-6

OpenStudy (domebotnos):

x^2 + 2x - 6 2/2 = 1 1^2 = 1 x^2 + 2x + 1 - 6 - 1 (x^2 + 2x + 1) -7 (x + 1)^2 - 7 The answer is (x + 1)^2 - 7

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