Expand
2x^{2}+5ax+x+3a^{2}+a
Evaluate
\left(x+a\right)\left(2x+3a+1\right)
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2x^{2}+3xa+x+2ax+3a^{2}+a
Apply the distributive property by multiplying each term of x+a by each term of 2x+3a+1.
2x^{2}+5xa+x+3a^{2}+a
Combine 3xa and 2ax to get 5xa.
2x^{2}+3xa+x+2ax+3a^{2}+a
Apply the distributive property by multiplying each term of x+a by each term of 2x+3a+1.
2x^{2}+5xa+x+3a^{2}+a
Combine 3xa and 2ax to get 5xa.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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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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