If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r in (-oo:+oo)
((12*r^4)/2)*r^4 = 0
6*r^8 = 0 // : 6
r^8 = 0
r = 0
r = 0
| 34=-8x+6(x+6) | | 3x+85=5x+119 | | 3(2x+5)=37 | | 10x+8y=36 | | 6x+117=4x+99 | | 5x^2-40x+100=25 | | 2x+89=4x+121 | | 5x+86=8x+53 | | 2/5+7/4+35/20 | | 5x^3+8x^2=18x | | 2/5+7/4 | | 3(x+4)=5(x-3) | | -1x+1=12 | | 14-6x-9=2 | | 4/x+2/3=6/x | | 3x-8=4x-27 | | 5p-14=8p-6 | | 5p-14=8p/4 | | 1.5-1.1= | | x^2-4(x-y)= | | -3y-13=16y+23 | | (6+7x)(6-7x)=0 | | 7(3.4b-1.2)=115.5 | | 5=(5/6)(5)+B | | 9m-5m=24 | | 6(y-9)/5=-2y | | 6,688/76 | | 3x^4/y^3/6x^2/y^2 | | 2x^2+6-8=0 | | 84*2-(76/4) | | 15xyz+4y+3xyz-3y= | | 7a+3b=0 |