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Mathematics 18 Online
OpenStudy (anonymous):

complete the square x^2+6x

OpenStudy (anonymous):

a^2x^2 + 2abx + b^2 in our case a =1 and 2ab = 6 so 2b = 6 -> b = 3. (x+ 3)^2 - 9

OpenStudy (anonymous):

thanks

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