Evaluate
4x\left(x-1\right)\left(2x+1\right)
Expand
8x^{3}-4x^{2}-4x
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8x^{3}-8x^{2}+4x\left(x-1\right)
Use the distributive property to multiply 8x^{2} by x-1.
8x^{3}-8x^{2}+4x^{2}-4x
Use the distributive property to multiply 4x by x-1.
8x^{3}-4x^{2}-4x
Combine -8x^{2} and 4x^{2} to get -4x^{2}.
8x^{3}-8x^{2}+4x\left(x-1\right)
Use the distributive property to multiply 8x^{2} by x-1.
8x^{3}-8x^{2}+4x^{2}-4x
Use the distributive property to multiply 4x by x-1.
8x^{3}-4x^{2}-4x
Combine -8x^{2} and 4x^{2} to get -4x^{2}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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