Evaluate
7x^{4}+9x^{3}-2x^{2}+9x-8
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7x^{4}+9x^{3}-2x^{2}+9x-8
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7x^{4}+9x^{3}-7-2x^{2}+9x-1
To find the opposite of 2x^{2}-9x+1, find the opposite of each term.
7x^{4}+9x^{3}-8-2x^{2}+9x
Subtract 1 from -7 to get -8.
7x^{4}+9x^{3}-7-2x^{2}+9x-1
To find the opposite of 2x^{2}-9x+1, find the opposite of each term.
7x^{4}+9x^{3}-8-2x^{2}+9x
Subtract 1 from -7 to get -8.
Examples
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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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