Evaluate
\frac{28x}{5}+7.7
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\frac{28x}{5}+7.7
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\left(8x+11\right)\times 0.7
Add 9 and 2 to get 11.
5.6x+7.7
Use the distributive property to multiply 8x+11 by 0.7.
\left(8x+11\right)\times 0.7
Add 9 and 2 to get 11.
5.6x+7.7
Use the distributive property to multiply 8x+11 by 0.7.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}