Expand
20x^{2}+32x^{3}-8x^{4}
Evaluate
-4x^{2}\left(2x^{2}-8x-5\right)
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-8x^{4}+32x^{3}+20x^{2}
Use the distributive property to multiply -4x^{2} by 2x^{2}-8x-5.
-8x^{4}+32x^{3}+20x^{2}
Use the distributive property to multiply -4x^{2} by 2x^{2}-8x-5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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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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