Evaluate
x\left(1-13x-5x^{2}\right)
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x-13x^{2}-5x^{3}
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4x^{3}-5x^{2}-6x-9x^{3}-8x^{2}+7x
To find the opposite of 9x^{3}+8x^{2}-7x, find the opposite of each term.
-5x^{3}-5x^{2}-6x-8x^{2}+7x
Combine 4x^{3} and -9x^{3} to get -5x^{3}.
-5x^{3}-13x^{2}-6x+7x
Combine -5x^{2} and -8x^{2} to get -13x^{2}.
-5x^{3}-13x^{2}+x
Combine -6x and 7x to get x.
4x^{3}-5x^{2}-6x-9x^{3}-8x^{2}+7x
To find the opposite of 9x^{3}+8x^{2}-7x, find the opposite of each term.
-5x^{3}-5x^{2}-6x-8x^{2}+7x
Combine 4x^{3} and -9x^{3} to get -5x^{3}.
-5x^{3}-13x^{2}-6x+7x
Combine -5x^{2} and -8x^{2} to get -13x^{2}.
-5x^{3}-13x^{2}+x
Combine -6x and 7x to get x.
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
\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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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