Evaluate
\frac{7x}{30}-3y
Factor
\frac{7x-90y}{30}
Share
Copied to clipboard
0.9x-2.5y-\frac{1}{2}y-\frac{2}{3}x
Combine 0.5x and 0.4x to get 0.9x.
0.9x-3y-\frac{2}{3}x
Combine -2.5y and -\frac{1}{2}y to get -3y.
\frac{7}{30}x-3y
Combine 0.9x and -\frac{2}{3}x to get \frac{7}{30}x.
factor(0.9x-2.5y-\frac{1}{2}y-\frac{2}{3}x)
Combine 0.5x and 0.4x to get 0.9x.
factor(0.9x-3y-\frac{2}{3}x)
Combine -2.5y and -\frac{1}{2}y to get -3y.
factor(\frac{7}{30}x-3y)
Combine 0.9x and -\frac{2}{3}x to get \frac{7}{30}x.
\frac{7x-90y}{30}
Factor out \frac{1}{30}.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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}