If it's not what You are looking for type in the equation solver your own equation and let us solve it.
v in (-oo:+oo)
v^2 = 25/81 // - 25/81
v^2-(25/81) = 0
v^2-25/81 = 0
1*v^2 = 25/81 // : 1
v^2 = 25/81
v^2 = 25/81 // ^ 1/2
abs(v) = 5/9
v = 5/9 or v = -5/9
v in { 5/9, -5/9 }
| .1y=.5 | | 2x+30=x+30 | | 2y^2-6y-20=(y-1)(y-1) | | 0.1(-4t)= | | 80g+30h= | | B/20=2 | | 3.33y=13.33 | | 8+3(y-4)=6y-1 | | 5.4(-3.1x)= | | a^2=64/225 | | (1/4*4)y=1/4(-1.6) | | 16y+11x=5 | | 0=-16t^2+64t+300 | | -.667x+2=4 | | 6n=224 | | (0.8g)(4)= | | 4c=2.4 | | 1m+4m+7=37 | | log(1+x)=x | | 11x+16y=5fory | | 14x+35y=56 | | 3(7.5v)= | | 6(n-7)(n-5)=0 | | 0.5x+2y=3 | | (1/5*5)z=1/5(-3.8) | | 2x^2-18x-3y-12=0 | | 75(2x+5)= | | ln(1+x)=x | | 2.2(2-1.2s)= | | 8n+5-3n=8n-4 | | (1/5*5)z=1/5(-3.8 | | 8+7x=124 |