Simplifying
Simplify
`(4x-20)/(x-5)`
`4, {5}`
`1/(k+3)*(7k+21)/4`
`7/4`
`12/(18m^4)-:9/(18m)`
`4/(3m^3)`
`(7x - 2)/(6x) + (-3x + 1)/(x)`
`(-11x + 4)/(6x)`
`5 / (2x) - (x + 1) / (2x (x - 1))`
`(2x-3)/(x(x-1)`
`(2/x)/((5)/x^2`
`(2x)/5`
`(8x+48)/(x^2-3x-54`
`8/(x-9), {9,-6}`
`(x^2+x-12)/(x-7)*(x-7)/(x+4)`
`x-3`
`(9x+36)/4-:(x+4)/(x+7`
`(9(x+7))/4`
`(3x)/(x - 3) + 5/(x^2 - 9)`
`(3x^2 + 9x + 5)/((x + 3)(x - 3))`
`(4x)/(x^2-36)-(3)/(x+6`
`(x+18)/((x-6)(x+6))`
`(1+(3/(x-1)))/(2x-2)`
`(x+2)/(2(x-1)^2)`
`(x^2+11x+10)/(x^2+8x-20)`
`(x+1)/(x-2), {2,-10}`
`(n+10)/(n^2+2n-80)*(n^2-64)/(3n+27)`
`(n+8)/(3(n+9)`
`(x+9)/(x+6)-:(x^2-9x+18)/(18-3x-x^2`
`(-1(x+9))/(x-6`
`(1)/(x^2 - 10x + 24) + (2x)/(x - 6)`
`(2x^2 -8x + 1)/((x-6)(x-4))`
`3/(x^2+x-2)-2/(x^2+5x+6)`
`(x+11)/((x+2)(x-1)(x+3)`
`((x/(x-5))+(3/(x+2)))/((2x)/(x+2)`
`(x^2+5x-15)/(2x(x-5)`
`(3x^2+18x+27)/(9x^3+45x^2+54x)`
`(x+3)/(3x(x+2)`
`(k^2-9k+20)/(k^2-6k+5)*(k^2-7k-30)/(k-4)`
`((k-10)(k+3))/(k-1)`
`(n+10)/(n^2+12n+20)-:(n^2+4n-12)/(n^2-9n+14)`
`(n-7)/((n+2)(n+6)`
`(2x)/(x-2) + (5x + 2)/(x + 5)`
`(7x^2 + 2x - 4)/((x - 2)(x + 5))`
`(1)/(x^2 - 10x + 24) - (2x)/(x - 6)`
`(-2x^2 + 8x + 1)/((x-6)(x-4))`
`((5x)/(2x-1)-(1)/(2x+1))/((3x+4)/(4x^2-1)`
`(10x^2+3x+1)/(3x+4)`
`(35x^2+25x-90)/(25x^3-40x^2+15x)`
`((7x-9)(x+2))/(x(x-1)(5x-3))`
`(x^2+9x+20)/(3x^2+32x+45)*(15x^2+10x-25)/(5x-5)`
`((x+5)(x+4))/(x+9)`
`(7x^2+34x-48)/(28x-32)-:(2x+2)/(2x^2+14x+12)`
`(x+6)^2/4`
`x/(x^2+4x-12)+(2x)/(x^2+x-6`
`(3x(x+5))/((x-2)(x+6)(x+3)`
`(5x + 7)/(x - 2) - (1)/(x^2 - 9x + 14)`
`(5x^2 - 28x - 50)/((x - 2)(x - 7))`
`((3x)/(x+4)-(2/x))/(4/(x^2+x)`
`(3x^3+x^2-10x-8)/(4(x+4)`