Evaluate
-\frac{1}{4}=-0.25
Factor
-\frac{1}{4} = -0.25
Graph
Quiz
Polynomial
5 problems similar to:
\frac { 8 - x } { 6 x - 18 } \cdot \frac { 3 x - 9 } { 2 x - 16 }
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\frac{\left(8-x\right)\left(3x-9\right)}{\left(6x-18\right)\left(2x-16\right)}
Multiply \frac{8-x}{6x-18} times \frac{3x-9}{2x-16} by multiplying numerator times numerator and denominator times denominator.
\frac{3\left(x-3\right)\left(-x+8\right)}{2\times 6\left(x-8\right)\left(x-3\right)}
Factor the expressions that are not already factored.
\frac{-3\left(x-8\right)\left(x-3\right)}{2\times 6\left(x-8\right)\left(x-3\right)}
Extract the negative sign in 8-x.
\frac{-1}{2\times 2}
Cancel out 3\left(x-8\right)\left(x-3\right) in both numerator and denominator.
\frac{-1}{4}
Multiply 2 and 2 to get 4.
-\frac{1}{4}
Fraction \frac{-1}{4} can be rewritten as -\frac{1}{4} by extracting the negative sign.
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}