Evaluate
7
Factor
7
Quiz
Arithmetic
5 problems similar to:
\frac { - 5 \cdot 3 + 3 \cdot - 2 } { 3 \cdot 3 + 6 \cdot - 2 }
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\frac{-15-6}{3\times 3+6\left(-2\right)}
Multiply -5 and 3 to get -15. Multiply 3 and -2 to get -6.
\frac{-21}{3\times 3+6\left(-2\right)}
Subtract 6 from -15 to get -21.
\frac{-21}{9-12}
Multiply 3 and 3 to get 9. Multiply 6 and -2 to get -12.
\frac{-21}{-3}
Subtract 12 from 9 to get -3.
7
Divide -21 by -3 to get 7.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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}