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x^2-81x+54=0
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What is the ?
the solutions are given by x1 = -b/2 + sqrt(b^2 - 4ac) and...
use quadratic equation!!!!! this is \[x=(-b+or-\sqrt{b ^{2}-4ac}/2a)\]
also can be said as "x equals negative b plus or minus radical b squared minus four ac all over 2a"
the answers are 80.3 and 0.672
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these are the roots.... i did it easily and quick right here at this site http://www.mathsisfun.com/quadratic-equation-solver.html
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