Evaluate
-7
Factor
-7
Share
Copied to clipboard
\frac{\left(35x-45y\right)\left(21x+98y\right)}{\left(3x+14y\right)\left(45y-35x\right)}
Multiply \frac{35x-45y}{3x+14y} times \frac{21x+98y}{45y-35x} by multiplying numerator times numerator and denominator times denominator.
\frac{-\left(-35x+45y\right)\left(21x+98y\right)}{\left(-35x+45y\right)\left(3x+14y\right)}
Extract the negative sign in 35x-45y.
\frac{-\left(21x+98y\right)}{3x+14y}
Cancel out -35x+45y in both numerator and denominator.
\frac{-7\left(3x+14y\right)}{3x+14y}
Factor the expressions that are not already factored.
-7
Cancel out 3x+14y in both numerator and denominator.
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}