If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( i )
3*i+2 = 0
3*i+2 = 0
3*i+2 = 0
3*i+2 = 0 // - 2
3*i = -2 // : 3
i = -2/3
i in (-oo:-2/3) U (-2/3:+oo)
(4*i+7)/(3*i+2) = 0
4*i+7 = 0 // - 7
4*i = -7 // : 4
i = -7/4
i = -7/4
| f(-9)= | | s(t)=77-16t^2 | | x^2+y=1 | | 4x+10=2x+30 | | x+y=49 | | 2(4x+6)=36 | | x+(x+4)=211 | | -7m-5=9 | | 13x-(5x-11)=-3 | | -6x^2+x^2+6x^2=0 | | 4/2-i | | 156=4(6w+9) | | -11(-11)+3(8)=88 | | 0.8x-0.7(50+x)=-0.56(50) | | w^2+3w=0 | | 2t-8fort=21 | | 2t-8forv=5 | | 2(4e)fore=5 | | 9y+9(8-y)= | | V+16forv=9 | | 6x+5-4x=7+x-8 | | 2p+p+p-2p-p=10 | | 6(x-4)-3x=-15 | | 11j+2j-9j-2j-j=12 | | 3c+4c-2c-c+c=20 | | 4x-9-x=24 | | 2*2+5(5/7) | | 2x2+5(5/7) | | ((8/4)+6)x2 | | X-3(x-4)=6 | | (4x)(3x+40)= | | 3x-100+x-10+x-10=180 |