-(40-36 \div (-9)-(2)-1=
Evaluate
-41
Factor
-41
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-\left(40-\left(-4\right)-2-1\right)
Divide 36 by -9 to get -4.
-\left(40+4-2-1\right)
The opposite of -4 is 4.
-\left(44-2-1\right)
Add 40 and 4 to get 44.
-\left(42-1\right)
Subtract 2 from 44 to get 42.
-41
Subtract 1 from 42 to get 41.
Examples
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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.
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\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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