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OpenStudy (clamin):
Solve the equation by quadratic formula. n^2+12n+11=0
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OpenStudy (cwrw238):
the quadratic formula is x = [-b +/- sqrt(b^2-4ac)] / 2a where a,b and c are the coefficiints in the general form ax^2 + bx + c = 0
OpenStudy (cwrw238):
so in your case a = 1, b = 12 and c = 11 plug these values in and work it out
OpenStudy (clamin):
is this right? @cwrw238
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