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OpenStudy (anonymous):
Complete the square to solve for x. x^2+4x−21=0
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OpenStudy (anonymous):
(x+7) (x-4) is factored x=-7 and/or x=4
OpenStudy (homeworksucks):
You should actually show them how you got that
OpenStudy (homeworksucks):
Not just give them the answers, the back of the book can do that for them
OpenStudy (anonymous):
i got the answers and know how to do them, i just want to make sure they are right.
OpenStudy (anonymous):
ah, well that saves me a bit of typing
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OpenStudy (homeworksucks):
Oh, that's better :), next time please clarify that
OpenStudy (anonymous):
yess, homework assignment on khan acdemy
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