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OpenStudy (anonymous):
I need help to complete the square
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OpenStudy (anonymous):
x^2 + 16x - 57
OpenStudy (anonymous):
x^2+16x-57=0
OpenStudy (anonymous):
i did this: x^2+16x = 57
OpenStudy (anonymous):
i don't remember what is next
OpenStudy (anonymous):
take half the coeffiecent of the middle term in this case 16/2 =8, square it, giving you 64, add it to both sides of the equation
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OpenStudy (anonymous):
thank you!
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