If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X in (-oo:+oo)
(3/5)*X^2+X+8 = 0
3/5*X^2+X+8 = 0
DELTA = 1^2-(3/5*4*8)
DELTA = -91/5
DELTA < 0
X belongs to the empty set
| 49x^3-336x^2+576x-64=0 | | 1F+8G+31p/(1R-40y)=1^V | | x/5+2/5=3x-22 | | (3x-2)-8(2x+3)-9=51 | | G(5)=8x+3 | | -1/5+(-5/14) | | -2+6f=9 | | -3+2f=9 | | 7x+7(2x-4)=14 | | x=2x-15/3 | | 3x+8y=-7 | | 8=9-8x | | 9x-6y=48 | | -1+3f=6 | | (6p^2-p-9)+(2p^3+2p^2-5)=8p^3+p^2-14p | | x+y^2=226 | | 7(2x-9)=2(4x-3)-5 | | 4n+3=2n-15+2n | | (6p^2-p-9)+(2p^3+2p^2-5)= | | 3.8(x)=7*1 | | 3(n-7)=5 | | -63x^2-32x+63=0 | | 3(n-7)= | | 9xy+2x+3+3xy= | | -40-8x=123-29x | | factorizex^3=0.216 | | -3+11=12X-4-11X | | 2r+3(3r-9)=6r+4 | | 4[x-3]-8=-8 | | (3Y+1).24= | | -3-6f=9 | | -3+6f=9 |