Evaluate
\left(x^{2}-4\right)\left(4x^{3}+5x-1\right)
Expand
4x^{5}-11x^{3}-x^{2}-20x+4
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4x^{5}-11x^{3}-20x-x^{2}+4
Use the distributive property to multiply 4x^{3}+5x-1 by x^{2}-4 and combine like terms.
4x^{5}-11x^{3}-20x-x^{2}+4
Use the distributive property to multiply 4x^{3}+5x-1 by x^{2}-4 and combine like terms.
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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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
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Limits
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