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Mathematics 7 Online
OpenStudy (anonymous):

Complete the square to solve for x. x^2+4x−21=0

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

OpenStudy (homeworksucks):

Oh, that's better :), next time please clarify that

OpenStudy (anonymous):

yess, homework assignment on khan acdemy

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