Evaluate
-11
Factor
-11
Quiz
Arithmetic
5 problems similar to:
- \frac { 7 } { 3 } + [ ( - 4 ) \cdot \frac { 5 } { 3 } ] - 2 =
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-\frac{7}{3}+\frac{-4\times 5}{3}-2
Express -4\times \frac{5}{3} as a single fraction.
-\frac{7}{3}+\frac{-20}{3}-2
Multiply -4 and 5 to get -20.
-\frac{7}{3}-\frac{20}{3}-2
Fraction \frac{-20}{3} can be rewritten as -\frac{20}{3} by extracting the negative sign.
\frac{-7-20}{3}-2
Since -\frac{7}{3} and \frac{20}{3} have the same denominator, subtract them by subtracting their numerators.
\frac{-27}{3}-2
Subtract 20 from -7 to get -27.
-9-2
Divide -27 by 3 to get -9.
-11
Subtract 2 from -9 to get -11.
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}