Evaluate
2x\left(3x+4y\right)
Factor
2x\left(3x+4y\right)
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7xy-9x^{2}+xy+15x^{2}
Combine -4x^{2} and -5x^{2} to get -9x^{2}.
8xy-9x^{2}+15x^{2}
Combine 7xy and xy to get 8xy.
8xy+6x^{2}
Combine -9x^{2} and 15x^{2} to get 6x^{2}.
x\left(7y-4x-5x+y+15x\right)
Factor out x.
6x+8y
Consider 7y-4x-5x+y+15x. Multiply and combine like terms.
2\left(3x+4y\right)
Consider 6x+8y. Factor out 2.
2x\left(3x+4y\right)
Rewrite the complete factored expression.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\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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