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^2 = 0
x^2 = 0
x^2 = 0
1*x^2 = 0 // : 1
x^2 = 0
x = 0
x in (-oo:0) U (0:+oo)
y = (x^3)/(x^2)-1 // - (x^3)/(x^2)-1
y-((x^3)/(x^2))+1 = 0
y-x+1 = 0
y-x+1 = 0 // - y+1
-x = -(y+1) // * -1
x = y+1
x = y+1
| 50x+60x=50x+80x | | -5=t/19-2 | | (6y^2-7y-5)(y-8)= | | 2x+15=-35 | | 4x-2(3x-1)=18 | | 5n+2=n+7 | | x^6=20 | | (3x*x)+6x=0 | | (3x*x)+12x-15=0 | | 3+4x-y=0 | | 16n^2-24n+9=0 | | -4(1+4x)=-12(x-4) | | 8+3(x-5)+x=2(3+3x) | | 3/10p=-9/8 | | 3[7x-4(y-2)]= | | (x)(2x)=800 | | (2x*x)+5x+3=0 | | (2x*2x)+5x+3=0 | | 5x-17=22-15 | | 2x^3+42x^2+270x+9=0 | | 3n-1=6-n | | 23+6k=-3(1-4k)-4 | | y=-11x-4 | | -4(3-2p)-2=2(p+7)-4 | | -30-6n=-6(5n-3) | | 31=10-3x | | -1+5(6v-6)=-4(v+1)+7 | | 0=4x^2-24x+36 | | 5(3a-6)=6+3a | | qt=r(s+t) | | -13-7r=r+3 | | 0=4x^2-24+36 |