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OpenStudy (anonymous):
solve by completing the square. x^2+2x-7=0
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OpenStudy (anonymous):
\[(b-\sqrt{b ^{2}-4ac})/2a\]
OpenStudy (anonymous):
the coefficients infront of every compomnet of the equation is the a,b,and c
OpenStudy (solomonzelman):
x^2+2x-7=0 add 13 to both sides x^2+2x-7+13=0+13 x^2+2x+4=13 (x+2)^2=13 |dw:1384415868448:dw|
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