Evaluate
\frac{x\left(x-7\right)}{2}
Expand
\frac{x^{2}-7x}{2}
Graph
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\frac{1}{2}xx+\frac{1}{2}x\left(-7\right)
Use the distributive property to multiply \frac{1}{2}x by x-7.
\frac{1}{2}x^{2}+\frac{1}{2}x\left(-7\right)
Multiply x and x to get x^{2}.
\frac{1}{2}x^{2}+\frac{-7}{2}x
Multiply \frac{1}{2} and -7 to get \frac{-7}{2}.
\frac{1}{2}x^{2}-\frac{7}{2}x
Fraction \frac{-7}{2} can be rewritten as -\frac{7}{2} by extracting the negative sign.
\frac{1}{2}xx+\frac{1}{2}x\left(-7\right)
Use the distributive property to multiply \frac{1}{2}x by x-7.
\frac{1}{2}x^{2}+\frac{1}{2}x\left(-7\right)
Multiply x and x to get x^{2}.
\frac{1}{2}x^{2}+\frac{-7}{2}x
Multiply \frac{1}{2} and -7 to get \frac{-7}{2}.
\frac{1}{2}x^{2}-\frac{7}{2}x
Fraction \frac{-7}{2} can be rewritten as -\frac{7}{2} by extracting the negative sign.
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