Evaluate
v-1
Expand
v-1
Share
Copied to clipboard
\frac{\left(v+8\right)\left(10v-10\right)}{10\left(v+8\right)}
Multiply \frac{v+8}{10} times \frac{10v-10}{v+8} by multiplying numerator times numerator and denominator times denominator.
\frac{10v-10}{10}
Cancel out v+8 in both numerator and denominator.
-1+v
Divide each term of 10v-10 by 10 to get -1+v.
\frac{\left(v+8\right)\left(10v-10\right)}{10\left(v+8\right)}
Multiply \frac{v+8}{10} times \frac{10v-10}{v+8} by multiplying numerator times numerator and denominator times denominator.
\frac{10v-10}{10}
Cancel out v+8 in both numerator and denominator.
-1+v
Divide each term of 10v-10 by 10 to get -1+v.
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}