If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( i )
(8-(9*i))^2 = 0
(8-(9*i))^2 = 0
(8-(9*i))^2 = 0
(8-9*i)^2 = 0
8-9*i = 0 // - 8
-9*i = -8 // : -9
i = -8/(-9)
i = 8/9
i in (-oo:8/9) U (8/9:+oo)
(3*i)/((8-(9*i))^2) = 0
(3*i)/((8-9*i)^2) = 0
3*i = 0 // : 3
i = 0
i = 0
| z-m=z+box | | (5x^1/12)^2 | | 2x+x+30+72=180 | | x+2015=a | | 2015+x=14165 | | x-0.0275x=165 | | 8n+2-4n=5n-8 | | -5/3-6/5v=-1/2 | | X^8*y^5=x^7*3y^5 | | 4/9c=7/8 | | 1/4=15x^2 | | 14x-8x=6 | | x+x-39=275 | | x-0.0275x=175 | | x+0.0275x=175 | | 6b^2-17b+28=0 | | N=(-3)2-32 | | 0=r^2+50r-600r+70000 | | 2x^2-5x-4=-3x | | 8/9p=32 | | 17=-10x-12x | | 120-4(x)-(3/6)*x^2=0 | | b-13+a=83 | | x-3/6(x)^2=30 | | 12(2x-9)=4(6x+3) | | (8x+3y+67)=d*8.544 | | (8x+3y+67)=sqrt(73)*d | | (8x+3y+67)=d*sqrt(73) | | 8x+2y-z=9 | | 1689984:(// | | -2x(2x-5)=4x | | 1/6•x=14 |