Expand
x^{2}-6xy+x+42y-56
Evaluate
\left(x-7\right)\left(x-6y+8\right)
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x^{2}-6xy+8x-7x+42y-56
Apply the distributive property by multiplying each term of x-7 by each term of x-6y+8.
x^{2}-6xy+x+42y-56
Combine 8x and -7x to get x.
x^{2}-6xy+8x-7x+42y-56
Apply the distributive property by multiplying each term of x-7 by each term of x-6y+8.
x^{2}-6xy+x+42y-56
Combine 8x and -7x to get x.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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Matrix
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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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