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\frac{6+1}{2}-\frac{3\times 2+1}{2}
Multiply 3 and 2 to get 6.
\frac{7}{2}-\frac{3\times 2+1}{2}
Add 6 and 1 to get 7.
\frac{7}{2}-\frac{6+1}{2}
Multiply 3 and 2 to get 6.
\frac{7}{2}-\frac{7}{2}
Add 6 and 1 to get 7.
0
Subtract \frac{7}{2} from \frac{7}{2} to get 0.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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