Expand
16+6x-x^{2}
Evaluate
\left(8-x\right)\left(x+2\right)
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8x+16-x^{2}-2x
Apply the distributive property by multiplying each term of 8-x by each term of x+2.
6x+16-x^{2}
Combine 8x and -2x to get 6x.
8x+16-x^{2}-2x
Apply the distributive property by multiplying each term of 8-x by each term of x+2.
6x+16-x^{2}
Combine 8x and -2x to get 6x.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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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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