Evaluate
\left(x+20\right)\left(\frac{3x}{10}+1.5\right)
Expand
\frac{3x^{2}}{10}+\frac{15x}{2}+30
Graph
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30+1.5x+6x+0.3x^{2}
Apply the distributive property by multiplying each term of 1.5+0.3x by each term of 20+x.
30+7.5x+0.3x^{2}
Combine 1.5x and 6x to get 7.5x.
30+1.5x+6x+0.3x^{2}
Apply the distributive property by multiplying each term of 1.5+0.3x by each term of 20+x.
30+7.5x+0.3x^{2}
Combine 1.5x and 6x to get 7.5x.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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