Evaluate
1.125
Factor
\frac{3 ^ {2}}{2 ^ {3}} = 1\frac{1}{8} = 1.125
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-2\times 3.0625-7\left(-1.75\right)-5
Calculate -1.75 to the power of 2 and get 3.0625.
-6.125-7\left(-1.75\right)-5
Multiply -2 and 3.0625 to get -6.125.
-6.125-\left(-12.25\right)-5
Multiply 7 and -1.75 to get -12.25.
-6.125+12.25-5
The opposite of -12.25 is 12.25.
6.125-5
Add -6.125 and 12.25 to get 6.125.
1.125
Subtract 5 from 6.125 to get 1.125.
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}