If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
((4*a^3)/20)*a^6 = 0
1/5*a^9 = 0 // : 1/5
a^9 = 0
a = 0
a = 0
| 25+x+65+x=180 | | -13=y+7 | | -9x+8=14 | | b+2=26+2b | | 78+x-3=4x | | 2/3•21 | | 1.3q-5.2-5.5q=-5.2q-1.7 | | 3u=3.75 | | N+4=52 | | 1.3q-5.2-5.5q=-5.2-1.7 | | -9+6x-3x=-15 | | 7x+ax-12=24 | | 3p+3=4p+6 | | 20a^3=0 | | -7-(-2)=t | | 8(6+4a)=176 | | 127+n=200 | | 10(2x-1)=4(2x+8) | | 20-2=20x | | 9x+7=10y-6 | | 6=21-(-13n) | | 12/15=3/-4x | | 2(c+9)=2c+18 | | 2b+4(b-6)=-2(2b-14)x | | 3(x-2)=5x-2 | | 5(2x-1)=3(2x+6) | | 9w-8=47 | | 5e-12=43 | | 54+87+3x+9=180 | | (45x+54y+90)= | | 3y^2(2y+3)(y-3)= | | 7x+12+3x+8=180 |