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)
a*((14*a^2)/2)-(8*a) = 0
a*((14*a^2)/2)-8*a = 0
7*a^3-8*a = 0
a*(7*a^2-8) = 0
7*a^2 = 8 // : 7
a^2 = 8/7
a^2 = 8/7 // ^ 1/2
abs(a) = (8/7)^(1/2)
a = (8/7)^(1/2) or a = -(8/7)^(1/2)
a = 0
a = 0
a in { (8/7)^(1/2), -(8/7)^(1/2), 0 }
| 5x+20=100 | | 2n+8n-19=81 | | (-2y)-(4x)=20 | | 3x^2-4=4 | | 2x+25=25 | | x-0.6x=32 | | sqrt(2x)+13=5 | | x+2x+14=166 | | x-6=2/3+12 | | 5x-48+7x=-12 | | 9m+19m=84 | | 6x-6=0.5x+38 | | 12x-5=30x+1 | | 5x-48+7x=-21 | | 1/7*y=-15 | | 9-72/3 | | (3x^2-13x-10)/(x-5) | | y/7=-15 | | -0.43=0.03x+0.15 | | 2y=10x | | 3.3333333333333333x+20=x+34 | | -5k+123=6k+7 | | 23/4+64/5 | | 23/4+34/5 | | 3*p=-15 | | 45.5a-52=2a-5 | | 0=u^2-54 | | -4z+20=3z+9 | | 51=5x-9 | | 5x+16=7x-14 | | -z+5=3z+9/4 | | (83*.8)+(x*.2)=70 |