If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( c )
c = 0
c = 0
c = 0
c in (-oo:0) U (0:+oo)
8/c = 12/27 // - 12/27
8/c-(12/27) = 0
8/c-4/9 = 0
8*c^-1 = 4/9 // : 8
c^-1 = 1/18
-1 < 0
1/(c^1) = 1/18 // * c^1
1 = 1/18*c^1 // : 1/18
18 = c^1
c = 18
c = 18
| 6/14=9/y | | -7-12x=-79 | | (2n+4)+(n+50)+n=874 | | 5*5-3y=-15 | | t/5-3=5 | | f(x)=-7x^2+7x+6 | | 14=-2x+10 | | 874=(2n+4)+(n+50)+n | | 3y-4=y+4 | | 8x+1/3=23+4/3 | | (4X^3+12X^2+11X+6)/(2X+1) | | (5y-4)(7y-2)= | | 2n-8=6 | | -4x-2=-30 | | 7r+6=55 | | 7a-(2a-9)=16 | | 2x^2+2x+3= | | 120=4(8*3)+2(3x) | | (x+1)(x-3)=(2x+5)(x-3) | | 5p+zr=r-9h | | 144=x(x+18) | | (r-4)(r+16)=0 | | 6y^2+5y-6= | | (3x+116)/2=4x+8 | | 5x^2+18x-8= | | x+(4x/3)=21 | | 25m^2-9/49 | | 4/5x=-3/4 | | 2(129-3x)=4x+8 | | y=2/7*4+2 | | -16x=14 | | n/5=14 |