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\frac{2}{5}-\left(-\frac{3}{5}\right)
Multiply 1 and \frac{2}{5} to get \frac{2}{5}.
\frac{2}{5}+\frac{3}{5}
The opposite of -\frac{3}{5} is \frac{3}{5}.
\frac{2+3}{5}
Since \frac{2}{5} and \frac{3}{5} have the same denominator, add them by adding their numerators.
\frac{5}{5}
Add 2 and 3 to get 5.
1
Divide 5 by 5 to get 1.
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y = 3x + 4
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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
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