Evaluate
2x\left(x^{2}+2x+4\right)
Expand
2x^{3}+4x^{2}+8x
Graph
Quiz
Polynomial
5 problems similar to:
[ ( 2 x ^ { 2 } + x ) ( x + x ^ { 2 } ) \div x + 7 x + x ^ { 2 } ]
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\frac{\left(x+1\right)\left(2x+1\right)x^{2}}{x}+7x+x^{2}
Factor the expressions that are not already factored in \frac{\left(2x^{2}+x\right)\left(x+x^{2}\right)}{x}.
x\left(x+1\right)\left(2x+1\right)+7x+x^{2}
Cancel out x in both numerator and denominator.
2x^{3}+3x^{2}+x+7x+x^{2}
Expand the expression.
2x^{3}+3x^{2}+8x+x^{2}
Combine x and 7x to get 8x.
2x^{3}+4x^{2}+8x
Combine 3x^{2} and x^{2} to get 4x^{2}.
\frac{\left(x+1\right)\left(2x+1\right)x^{2}}{x}+7x+x^{2}
Factor the expressions that are not already factored in \frac{\left(2x^{2}+x\right)\left(x+x^{2}\right)}{x}.
x\left(x+1\right)\left(2x+1\right)+7x+x^{2}
Cancel out x in both numerator and denominator.
2x^{3}+3x^{2}+x+7x+x^{2}
Expand the expression.
2x^{3}+3x^{2}+8x+x^{2}
Combine x and 7x to get 8x.
2x^{3}+4x^{2}+8x
Combine 3x^{2} and x^{2} to get 4x^{2}.
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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699 * 533
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}