Evaluate
61
Factor
61
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7+8\times 7+12-13+1-2
Add 2 and 5 to get 7.
7+56+12-13+1-2
Multiply 8 and 7 to get 56.
63+12-13+1-2
Add 7 and 56 to get 63.
75-13+1-2
Add 63 and 12 to get 75.
62+1-2
Subtract 13 from 75 to get 62.
63-2
Add 62 and 1 to get 63.
61
Subtract 2 from 63 to get 61.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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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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