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)
y = 2*(3/2)^2-(6*(3/2))-5 // - 2*(3/2)^2-(6*(3/2))-5
y-(2*(3/2)^2)+6*(3/2)+5 = 0
y-2*(3/2)^2+6*(3/2)+5 = 0
y+19/2 = 0 // - 19/2
y = -19/2
y = -19/2
| 5x+13=-3x+45 | | X+-2.5+6.8=0 | | 5a+3b+3a+7b-2a= | | 11=5n-6n | | 7z+36=11z | | 1x+9=-4x | | 2(t-3)-15=11-3(t-4) | | x+15+-15=6 | | 5y-10x=35 | | 3x-6=7x-x+30 | | 0.6t=0.4+0.1t | | v/9.6=3 | | 5-(x-3)=-1+2(x-3) | | 4x^2-(1/9)y2 | | -38=-5+12 | | y/4=5.12 | | 6w+2=38 | | x^3=3375 | | 17x-(3x-5)=75 | | .5+.3x=.7x-.3 | | 4n+6=-36 | | 5-[2(x+3)-8x]=35 | | 8y+4(6+y)=3(y-9)+10y | | X-2y-3z=3 | | x(t)=2cost+3cost | | 2m-3(m-4)=16 | | 25x^2-(1/16)y^2=0 | | 25=5/3u | | c^2=4/45 | | -7+8=12 | | 7+3z-12z=3z+1 | | 3x^2-x+c=0 |