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