Evaluate
x\left(-2x^{3}-5x^{2}+x-10\right)
Expand
-2x^{4}-5x^{3}+x^{2}-10x
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-5x^{3}+4x^{2}-2x-2x^{4}-3x^{2}-8x
To find the opposite of 2x^{4}+3x^{2}+8x, find the opposite of each term.
-5x^{3}+x^{2}-2x-2x^{4}-8x
Combine 4x^{2} and -3x^{2} to get x^{2}.
-5x^{3}+x^{2}-10x-2x^{4}
Combine -2x and -8x to get -10x.
-5x^{3}+4x^{2}-2x-2x^{4}-3x^{2}-8x
To find the opposite of 2x^{4}+3x^{2}+8x, find the opposite of each term.
-5x^{3}+x^{2}-2x-2x^{4}-8x
Combine 4x^{2} and -3x^{2} to get x^{2}.
-5x^{3}+x^{2}-10x-2x^{4}
Combine -2x and -8x to get -10x.
Examples
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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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