Question 247674
how do i put {{{y=x^2+8x+7}}} in {{{y=(x-h)^2+k}}} formula 
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By "completing the square"...
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{{{y=x^2+8x+7}}}
{{{y = (x^2+8x+__) +7}}} 
{{{y = (x^2+8x+16) +7 -16}}} 
{{{y = (x+4)^2 - 9}}}