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OpenStudy (anonymous):
SOlve the quadratic by completeing the square? x^2 + 2x – 7 = 0 is anybody able to show me the work?
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hartnn (hartnn):
divide the co-efficient of x by 2 what u get ?
OpenStudy (anonymous):
|dw:1353177489064:dw| now compare coefficients of x^2 and x and find a
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