Evaluate
-\frac{43}{4}=-10.75
Factor
-\frac{43}{4} = -10\frac{3}{4} = -10.75
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-\frac{48+2}{8}-\frac{3\times 4+6}{4}
Multiply 6 and 8 to get 48.
-\frac{50}{8}-\frac{3\times 4+6}{4}
Add 48 and 2 to get 50.
-\frac{25}{4}-\frac{3\times 4+6}{4}
Reduce the fraction \frac{50}{8} to lowest terms by extracting and canceling out 2.
-\frac{25}{4}-\frac{12+6}{4}
Multiply 3 and 4 to get 12.
-\frac{25}{4}-\frac{18}{4}
Add 12 and 6 to get 18.
\frac{-25-18}{4}
Since -\frac{25}{4} and \frac{18}{4} have the same denominator, subtract them by subtracting their numerators.
-\frac{43}{4}
Subtract 18 from -25 to get -43.
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}