Evaluate
\left(x-1\right)\left(x+3\right)
Expand
x^{2}+2x-3
Graph
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2\times \frac{x^{2}-x+3x-3}{2}
Apply the distributive property by multiplying each term of x+3 by each term of x-1.
2\times \frac{x^{2}+2x-3}{2}
Combine -x and 3x to get 2x.
x^{2}+2x-3
Cancel out 2 and 2.
2\times \frac{x^{2}-x+3x-3}{2}
Apply the distributive property by multiplying each term of x+3 by each term of x-1.
2\times \frac{x^{2}+2x-3}{2}
Combine -x and 3x to get 2x.
x^{2}+2x-3
Cancel out 2 and 2.
Examples
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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