Evaluate
\frac{\left(16-x\right)\left(x+1\right)}{2}
Expand
-\frac{x^{2}}{2}+\frac{15x}{2}+8
Graph
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\frac{16x-x^{2}+16-x}{2}
Apply the distributive property by multiplying each term of x+1 by each term of 16-x.
\frac{15x-x^{2}+16}{2}
Combine 16x and -x to get 15x.
\frac{16x-x^{2}+16-x}{2}
Apply the distributive property by multiplying each term of x+1 by each term of 16-x.
\frac{15x-x^{2}+16}{2}
Combine 16x and -x to get 15x.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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