If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
((7*y)/4)*y = 2/5 // - 2/5
((7*y)/4)*y-(2/5) = 0
((7*y)/4)*y-2/5 = 0
7/4*y^2 = 2/5 // : 7/4
y^2 = 8/35
y^2 = 8/35 // ^ 1/2
abs(y) = (8/35)^(1/2)
y = (8/35)^(1/2) or y = -(8/35)^(1/2)
y in { (8/35)^(1/2), -(8/35)^(1/2) }
| x=.25x^2 | | 3a+3=5a | | 2(3s+1)=68 | | (x-2)*180/2=170 | | 38-2x=6-10x | | 2x^2+23x-210=0 | | 7(2l+3)=105 | | 6(-3-5)=6 | | f/45-2/9=9 | | 3k-4=13k+7 | | 1+3(5x-2)=5(x+1) | | 5(a-1)=90 | | 2(pq+4)=3x-pq | | -4+4t= | | 4+6k=1+4k | | -8(u+7)-5(u+5)= | | 6/19(n-17)=0 | | 4x-6+x+1+X=180 | | 5k+7=4-k | | f(x+6)=x^2-2x-3 | | 4+4x=7+x | | 1/(x-5)=x/(x^2-25) | | x-5=4x+26 | | 4x+rt=x+16 | | 4x^3-9x^2+10x-2=0 | | 2x-3=11x-46 | | 602/67x=53x | | 2b-0.2=3b | | X^3+5x=5 | | 7x-5+6x-5+9X-11=180 | | t^3+6t-6=0 | | 36x^2+y^2=36 |