If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
9/x = 0
9*x^-1 = 0 // : 9
x^-1 = 0
x naleu017Cy do O
x belongs to the empty set
| 6(c+3)whenc=4 | | y^2=x^2-1 | | 2x^2-19x-4=0 | | -x^2+8=3x | | 340x+940y=2560 | | 2x^2-13x+20=6x+24 | | (-3)(9y)=-3(27) | | 2(a-4)= | | (2x-5)(x-4)=6(x+4) | | 6x-x/4=70 | | 5p^2-18p-27=8 | | -15x-27y= | | 7x-2y=-6 | | 40a^4+50a^3b-15a^2b^2= | | .45x+.05(10-x)=.10(-3) | | 2/4x+y=10 | | 5x+9y=27 | | 17-x=28/7 | | 4/5/3/10 | | 74x=257+63x | | m^2-5m+4=-2 | | 4x+15-3x=-7-10 | | 9(7-2)+4=31 | | 15x+8y=24 | | x+25=y | | 1.5(c-1)=.5(4c)+1 | | 7m^2+18m+8= | | vu=6 | | -12+7(x+3)=4(2x-1+3) | | -6x=12-(-6) | | 6x+5y=32 | | x^2=12+x |