Factor
2\left(8x-1\right)\left(8x+7y\right)
Evaluate
2\left(8x-1\right)\left(8x+7y\right)
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2\left(56xy-8x+64x^{2}-7y\right)
Factor out 2.
8x\left(8x-1\right)+7y\left(8x-1\right)
Consider 56xy-8x+64x^{2}-7y. Do the grouping 56xy-8x+64x^{2}-7y=\left(64x^{2}-8x\right)+\left(56xy-7y\right), and factor out 8x in the first and 7y in the second group.
\left(8x-1\right)\left(8x+7y\right)
Factor out common term 8x-1 by using distributive property.
2\left(8x+7y\right)\left(8x-1\right)
Rewrite the complete factored expression.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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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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