Evaluate
-0.5
Factor
-0.5
Share
Copied to clipboard
\frac{20.25-2\times 4.5\times 4.5+1.5\times 1.5}{4.5\times 4.5+2\times 4.5\times 1.5+1.5\times 1.5}
Multiply 4.5 and 4.5 to get 20.25.
\frac{20.25-9\times 4.5+1.5\times 1.5}{4.5\times 4.5+2\times 4.5\times 1.5+1.5\times 1.5}
Multiply 2 and 4.5 to get 9.
\frac{20.25-40.5+1.5\times 1.5}{4.5\times 4.5+2\times 4.5\times 1.5+1.5\times 1.5}
Multiply 9 and 4.5 to get 40.5.
\frac{-20.25+1.5\times 1.5}{4.5\times 4.5+2\times 4.5\times 1.5+1.5\times 1.5}
Subtract 40.5 from 20.25 to get -20.25.
\frac{-20.25+2.25}{4.5\times 4.5+2\times 4.5\times 1.5+1.5\times 1.5}
Multiply 1.5 and 1.5 to get 2.25.
\frac{-18}{4.5\times 4.5+2\times 4.5\times 1.5+1.5\times 1.5}
Add -20.25 and 2.25 to get -18.
\frac{-18}{20.25+2\times 4.5\times 1.5+1.5\times 1.5}
Multiply 4.5 and 4.5 to get 20.25.
\frac{-18}{20.25+9\times 1.5+1.5\times 1.5}
Multiply 2 and 4.5 to get 9.
\frac{-18}{20.25+13.5+1.5\times 1.5}
Multiply 9 and 1.5 to get 13.5.
\frac{-18}{33.75+1.5\times 1.5}
Add 20.25 and 13.5 to get 33.75.
\frac{-18}{33.75+2.25}
Multiply 1.5 and 1.5 to get 2.25.
\frac{-18}{36}
Add 33.75 and 2.25 to get 36.
-\frac{1}{2}
Reduce the fraction \frac{-18}{36} to lowest terms by extracting and canceling out 18.
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}