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OpenStudy (anonymous):
x^2+6x=7
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OpenStudy (anonymous):
You have to factor.
OpenStudy (anonymous):
how do i get it to equal zero
OpenStudy (anonymous):
Subtract 7 from both sides.
OpenStudy (anonymous):
x^2+6x=7 x^2+6x-7=0 What multiplies to be -7 and adds to be 6? 7-1=6 So, (x+7) and (x-1)=0 Solve. x+7=0 x=-7 and then x-1=0 x=1 Answers: x=-7,1
OpenStudy (anonymous):
Do you understand? :)
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