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-(7*i) = 0
3-(7*i) = 0
3-(7*i) = 0
3-7*i = 0
3-7*i = 0 // - 3
-7*i = -3 // : -7
i = -3/(-7)
i = 3/7
i in (-oo:3/7) U (3/7:+oo)
3/(3-(7*i)) = 0
3/(3-7*i) = 0
3 = 0
i belongs to the empty set
i belongs to the empty set
| 3w^3-15w^2+12=0 | | 17(3)+5=x | | 4x=6+3(4x) | | 124+17x+5=180 | | 13(11)-19=x | | X^2-3=10-3x | | 4x=6(3x) | | 13x-19+17y+5=180 | | 5(26)+7=x | | 4x+6=3(4x) | | 4y=6x-20 | | 2x-y-2z=-3 | | 8+9+9x+18x= | | 5/6=20/ | | x(1.095)=1386.60 | | X^3+6x^2+9x+54=o | | x^4+6=3x^4 | | 3cos^2x+sinx-1=0 | | 11.3-p/2,8=1.5 | | -12h=-4-56 | | x(1.0825)=247 | | x(1.0825)=267.38 | | 32-(9a)=140 | | X^5+x^3+4x=0 | | 0=5cosx | | 4x=(4x)3 | | 4x+6=3*4x | | logbasex*81=4 | | 5x+4(4)=-26 | | 4x+6=(4x)3 | | 3.2(4.5+x)-y= | | -3(2s-4)-12=-3(7s+5)-4 |