Evaluate
2x^{2}+3x+4
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2x^{2}+3x+4
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\frac{2\left(9x+2\right)\left(x^{2}+\frac{3}{2}x+2\right)}{9x+2}
Factor the expressions that are not already factored.
2\left(x^{2}+\frac{3}{2}x+2\right)
Cancel out 9x+2 in both numerator and denominator.
2x^{2}+3x+4
Expand the expression.
\frac{2\left(9x+2\right)\left(x^{2}+\frac{3}{2}x+2\right)}{9x+2}
Factor the expressions that are not already factored.
2\left(x^{2}+\frac{3}{2}x+2\right)
Cancel out 9x+2 in both numerator and denominator.
2x^{2}+3x+4
Expand the expression.
Examples
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4 \sin \theta \cos \theta = 2 \sin \theta
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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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