Evaluate
2\left(4x-1\right)\left(x+1\right)
Expand
8x^{2}+6x-2
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8x^{2}-2x+8x-2
Apply the distributive property by multiplying each term of 2x+2 by each term of 4x-1.
8x^{2}+6x-2
Combine -2x and 8x to get 6x.
8x^{2}-2x+8x-2
Apply the distributive property by multiplying each term of 2x+2 by each term of 4x-1.
8x^{2}+6x-2
Combine -2x and 8x to get 6x.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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