Evaluate
x^{9}-2x^{8}-7x^{7}+3
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x^{9}-2x^{8}-7x^{7}+3
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4x^{9}+2x^{8}-3x^{7}+2-3x^{9}-4x^{8}-4x^{7}+1
To find the opposite of 3x^{9}+4x^{8}+4x^{7}-1, find the opposite of each term.
x^{9}+2x^{8}-3x^{7}+2-4x^{8}-4x^{7}+1
Combine 4x^{9} and -3x^{9} to get x^{9}.
x^{9}-2x^{8}-3x^{7}+2-4x^{7}+1
Combine 2x^{8} and -4x^{8} to get -2x^{8}.
x^{9}-2x^{8}-7x^{7}+2+1
Combine -3x^{7} and -4x^{7} to get -7x^{7}.
x^{9}-2x^{8}-7x^{7}+3
Add 2 and 1 to get 3.
4x^{9}+2x^{8}-3x^{7}+2-3x^{9}-4x^{8}-4x^{7}+1
To find the opposite of 3x^{9}+4x^{8}+4x^{7}-1, find the opposite of each term.
x^{9}+2x^{8}-3x^{7}+2-4x^{8}-4x^{7}+1
Combine 4x^{9} and -3x^{9} to get x^{9}.
x^{9}-2x^{8}-3x^{7}+2-4x^{7}+1
Combine 2x^{8} and -4x^{8} to get -2x^{8}.
x^{9}-2x^{8}-7x^{7}+2+1
Combine -3x^{7} and -4x^{7} to get -7x^{7}.
x^{9}-2x^{8}-7x^{7}+3
Add 2 and 1 to get 3.
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y = 3x + 4
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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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