Factor
\frac{x\left(200-x\right)}{2}
Evaluate
\frac{x\left(200-x\right)}{2}
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\frac{200x-x^{2}}{2}
Factor out \frac{1}{2}.
x\left(200-x\right)
Consider 200x-x^{2}. Factor out x.
\frac{x\left(-x+200\right)}{2}
Rewrite the complete factored expression.
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