Simplify.
(x^2 - 81)/(x - 9)
x + 9
Multiply.
(x+2)/(4x+8) * (5x+60)/(x+12)
5/4
Divide.
(x-3)/(4x-16)/(5x-15)/(8x-32)
2/5
Simplify.
(3x+6)/(x-9)/(9x+18)/(7x-63)*(x-1)/(1-x)
-7/3
Add.
4/(5v^2x)+3/(4v^3x^2)
(16vx+15)/(20v^3x^2)
Simplify.
(x^2 + 10x + 25)/(x + 5)
x + 5
Multiply.
(49x^2 - 4)/(3x^2 -2x -21) * (3x - 9)/(7x-2)
(3(7x+2))/(3x+7)
Divide.
(3x+9)/(7x-49)/(x+3)/(x-7)
3/7
Simplify.
7/x^2*(x^2 -49)/(7x-49)/(x^2+13x+42)/(x^3+6x^2)
1
Add.
(x+4)/(x+2)+(4x-2)/(5x+10)
(9x+18)/(5x+10)
Simplify.
(8x^3 -27)/(2x - 3)
2x^2 + 6x + 9
Multiply.
(10x^2 +17x+3)/(5x+10) *(x+2)/(5x^2 + 36x +7)
(2x+3)/(5(x+7))
Divide.
(6x+36)/(45x+40)/(2x+12)/(9x+8)
3/5
Simplify.
(2y^2+20y+50)/(4y-12)*(y-3)/(y^2+12y+35)/3y+15
2/(12(y+7))
Subtract.
(3x)/(x-5)-(3x-6)/(2x-10)
(3x+6)/(2x-10)
Simplify.
(x^2 - 9x + 14)/(x^2 - 49)
(x-2)/(x+7)
Multiply.
(7x^2 -18x+8)/(x+6) * (3x+10)/(2x -4)
((7x-4)(3x+10))/(2(x+6))
Divide.
(y^3 -27)/(y^2 -9)/(5y^2 + 15y +45)/(y^2 + 8y +15)
(y+5)/5
Simplify.
(2x^3y)/(x^2y+3xy)*(x^2+6x+9)/(2x+6)/5xy^4
x/(5y^4)
Add.
(3w)/(w-4)+(2w+4)/(4-w)
1
Simplify.
(3x^3 + 6x^2 + 4x + 8)/(5x^2 - 20)
(3x^2 + 4)/(5(x-2)
Multiply.
(2xy)/(x^2y+3xy)* (x^2 +6x+9)/(4x+12)
1/2
Divide.
(x^3-64)/(16x-x^3) / (2x^2 +8x +32)/(x^2 + 2x - 8)
-((x-2)/(2x))
Simplify.
(x^2 +12x+27)/(x^2+6x - 7)/(x^2+16x+63)/(x^2 -13x+12)/(x^2 - 9x - 36)/(2x^2+19x+35)
(2x+5)/(x+7)
Add.
(-10)/(7m^4n)+29/(m^7n^3)
(-10m^3n^2+203)/(7m^7n^3)