If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
((66*x)/42)*x = 0
11/7*x^2 = 0 // : 11/7
x^2 = 0
x = 0
x = 0
| -3y-10=4y+4 | | 14/18=35/x | | yx+2y=8 | | 2a/6ab | | (y^3-3y^2+2y)(6-xy+3x)=(y-3)(Y^2+2-x) | | x^4+-2x^3+-7x^2+8x+16=0 | | 4x^2+10y^2=100 | | 2x+9=5x+55 | | Y/12=2/13 | | 2w^2+19w-280=0 | | 35-t/7 | | 93x^3/54x^3 | | -2x+3(x-2)=3x+3(x+2) | | x*56=2 | | -2x+3(x-2)=3x+3-6 | | 72x^2/60x^2 | | 1,3a+2(0,6a+2,1)=13,28/1,6 | | 8a+4a^2-2a= | | 97x/27 | | ae+ys= | | ae+ya= | | 3/x=9/6 | | (4x-7)(x-2u+5)= | | x^2-4x+6y=20 | | 14/8=35/x | | 20y^2+15y= | | 6x-27=3x-54 | | y^2/√y | | .583=5.7579x-0.0246 | | 10y/9x^4y^3/2y/3 | | -2a-a+9=3a-a | | 5(x-2)+(9)=-7(1-x) |