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OpenStudy (anonymous):
solve this equation x^2+2x+7=0
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OpenStudy (bahrom7893):
use the discriminant, that will solve anything.
OpenStudy (bahrom7893):
D=b^2-4ac
OpenStudy (bahrom7893):
x1=(-b-sqrt(D))/(2a) x2=(-b+sqrt(D))/(2a)
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