Evaluate
31
Factor
31
Quiz
Arithmetic
5 problems similar to:
32 \div (2 \times (-3+15 \div (-7+10)))-(5 \times (-4)+9 \div (-3))
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\frac{32}{2\left(-3+\frac{15}{3}\right)}-\left(5\left(-4\right)+\frac{9}{-3}\right)
Add -7 and 10 to get 3.
\frac{32}{2\left(-3+5\right)}-\left(5\left(-4\right)+\frac{9}{-3}\right)
Divide 15 by 3 to get 5.
\frac{32}{2\times 2}-\left(5\left(-4\right)+\frac{9}{-3}\right)
Add -3 and 5 to get 2.
\frac{32}{4}-\left(5\left(-4\right)+\frac{9}{-3}\right)
Multiply 2 and 2 to get 4.
8-\left(5\left(-4\right)+\frac{9}{-3}\right)
Divide 32 by 4 to get 8.
8-\left(-20+\frac{9}{-3}\right)
Multiply 5 and -4 to get -20.
8-\left(-20-3\right)
Divide 9 by -3 to get -3.
8-\left(-23\right)
Subtract 3 from -20 to get -23.
8+23
The opposite of -23 is 23.
31
Add 8 and 23 to get 31.
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
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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}