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)
4/23 = 10.5/x // - 10.5/x
4/23-(10.5/x) = 0
4/23-10.5*x^-1 = 0
-10.5*x^-1 = -4/23 // : -10.5
x^-1 = 0.01656315
-1 < 0
1/(x^1) = 0.01656315 // * x^1
1 = 0.01656315*x^1 // : 0.01656315
60.37498906 = x^1
x = 60.37498906
x = 60.37498906
| (2g+4)2= | | x^3(7x+3)(7x-3)=0 | | 9-x-6x=69/10 | | -x^2+8x+1=y | | (2z+2)(2z-2)= | | -x^2+8x+1=f(x) | | 8*5+8-4*5= | | 12/33=x/11 | | (n-4)(4n+2)= | | -x^2+8x+1= | | 9x-4y=14 | | 1/4(x+2)=7 | | 2/x=5/7 | | -54=-2k | | -1/2(x+2)=-3 | | (2k+4)(4k+2)= | | -3(-5)(-4)= | | 2/x=5/8 | | x+x+102.392=5.571 | | 70=(4*x^2)/((x^2)-0.3*x+0.02) | | (3s+3)(3s-3)= | | 1/4(x+3)=14 | | 2(4x-2)=8x-4 | | 64x^4-9x^2=0 | | 75/12 | | -1/4(x+2)=-9 | | log(x+9)=1-logx | | 81=64x^2 | | -3(.4+.2y)+6y=12 | | x+x+5.571=102.392 | | 525+.21x=0 | | 5[-2x-3-4(x-1)]=7x-4 |