Evaluate
-1+\frac{2}{x}
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-1+\frac{2}{x}
Graph
Quiz
Polynomial
5 problems similar to:
\frac { 1 } { x } - \frac { 2 - x } { x } + \frac { 3 - 2 x } { x }
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\frac{1-\left(2-x\right)}{x}+\frac{3-2x}{x}
Since \frac{1}{x} and \frac{2-x}{x} have the same denominator, subtract them by subtracting their numerators.
\frac{1-2+x}{x}+\frac{3-2x}{x}
Do the multiplications in 1-\left(2-x\right).
\frac{-1+x}{x}+\frac{3-2x}{x}
Combine like terms in 1-2+x.
\frac{-1+x+3-2x}{x}
Since \frac{-1+x}{x} and \frac{3-2x}{x} have the same denominator, add them by adding their numerators.
\frac{2-x}{x}
Combine like terms in -1+x+3-2x.
\frac{1-\left(2-x\right)}{x}+\frac{3-2x}{x}
Since \frac{1}{x} and \frac{2-x}{x} have the same denominator, subtract them by subtracting their numerators.
\frac{1-2+x}{x}+\frac{3-2x}{x}
Do the multiplications in 1-\left(2-x\right).
\frac{-1+x}{x}+\frac{3-2x}{x}
Combine like terms in 1-2+x.
\frac{-1+x+3-2x}{x}
Since \frac{-1+x}{x} and \frac{3-2x}{x} have the same denominator, add them by adding their numerators.
\frac{2-x}{x}
Combine like terms in -1+x+3-2x.
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}