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OpenStudy (mylahb):
x^2+12x+18=0 @cj49
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OpenStudy (cj49):
x^2+12x=-18
OpenStudy (mylahb):
whats half of it
OpenStudy (cj49):
half of 12 is 6 and square of 6 is 36
OpenStudy (mylahb):
x+6 pm square 55
OpenStudy (cj49):
can u show how u did it
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OpenStudy (mylahb):
x^2+12x=-18 x^2+12x+36=18+36 (x+6)^2=55 x+6 pm squared 55?
OpenStudy (cj49):
its -18+36=18
OpenStudy (cj49):
it wud be x=-6pm3sqrt2
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