Evaluate
1+\frac{10}{3x}
Expand
1+\frac{10}{3x}
Graph
Quiz
Polynomial
5 problems similar to:
\frac { 2 } { x } + \frac { 7 } { 3 x } + \frac { x - 1 } { x } =
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\frac{2\times 3}{3x}+\frac{7}{3x}+\frac{x-1}{x}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of x and 3x is 3x. Multiply \frac{2}{x} times \frac{3}{3}.
\frac{2\times 3+7}{3x}+\frac{x-1}{x}
Since \frac{2\times 3}{3x} and \frac{7}{3x} have the same denominator, add them by adding their numerators.
\frac{6+7}{3x}+\frac{x-1}{x}
Do the multiplications in 2\times 3+7.
\frac{13}{3x}+\frac{x-1}{x}
Do the calculations in 6+7.
\frac{13}{3x}+\frac{3\left(x-1\right)}{3x}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 3x and x is 3x. Multiply \frac{x-1}{x} times \frac{3}{3}.
\frac{13+3\left(x-1\right)}{3x}
Since \frac{13}{3x} and \frac{3\left(x-1\right)}{3x} have the same denominator, add them by adding their numerators.
\frac{13+3x-3}{3x}
Do the multiplications in 13+3\left(x-1\right).
\frac{10+3x}{3x}
Combine like terms in 13+3x-3.
\frac{2\times 3}{3x}+\frac{7}{3x}+\frac{x-1}{x}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of x and 3x is 3x. Multiply \frac{2}{x} times \frac{3}{3}.
\frac{2\times 3+7}{3x}+\frac{x-1}{x}
Since \frac{2\times 3}{3x} and \frac{7}{3x} have the same denominator, add them by adding their numerators.
\frac{6+7}{3x}+\frac{x-1}{x}
Do the multiplications in 2\times 3+7.
\frac{13}{3x}+\frac{x-1}{x}
Do the calculations in 6+7.
\frac{13}{3x}+\frac{3\left(x-1\right)}{3x}
To add or subtract expressions, expand them to make their denominators the same. Least common multiple of 3x and x is 3x. Multiply \frac{x-1}{x} times \frac{3}{3}.
\frac{13+3\left(x-1\right)}{3x}
Since \frac{13}{3x} and \frac{3\left(x-1\right)}{3x} have the same denominator, add them by adding their numerators.
\frac{13+3x-3}{3x}
Do the multiplications in 13+3\left(x-1\right).
\frac{10+3x}{3x}
Combine like terms in 13+3x-3.
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}