If it's not what You are looking for type in the equation solver your own equation and let us solve it.
i in (-oo:+oo)
((3*i)/7)*i+4 = 0
3/7*i^2 = -4 // : 3/7
i^2 = -28/3
i belongs to the empty set
| 2(4-2x)-8=2x+12 | | 2m+2n-2(3m-4n)= | | 3(-p)(-2q)= | | 35=10x+x | | 35=10x+10x | | -18/-6=3 | | 5x^2+4=84 | | y=6(7x+150) | | -9+3=-6 | | 3(2x+6)=2x+10 | | -5(1+5n)=-33+3n | | 8x^2+10x-3x^2-49=0 | | 6x^3+17x^2-4x-3=0 | | 8-12=-4 | | -3p+12=2p | | (1+y)(4y-7)=0 | | x(5x+2)=2x^2-14x+9 | | -171=-3(8x+1) | | 25-10(a+b)=-a^2-ab-b^2 | | -3(3s-2)-6=-2(8s+10)-2 | | -2(8d+3)= | | 155=5(6k+1) | | 4(1384.5/53.25)=x | | (3v+9)(9+v)=0 | | -3x^2-18x-35=0 | | -34=v+42-5r | | (Y/3)+80=180 | | 2x^4-49x^2+54=0 | | 3r+9r+6r-3= | | 2x=w(5y-11)fory | | 5-(8x-12)=2+3(2x-5) | | x-7/7+x+2/5=9/7 |