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)
2/x-(x/x)-2-1 = 0
2/x-2-1-1 = 0
2*x^-1 = 4 // : 2
x^-1 = 2
-1 < 0
1/(x^1) = 2 // * x^1
1 = 2*x^1 // : 2
1/2 = x^1
x = 1/2
x = 1/2
| 4cos(x-30)+3sin(x)=5 | | 10x-8=122 | | 30-P=15+2P | | x/3 | | x+15-8=12+3x | | (n*n*n*n+2*n*n+2013)/96=x | | 12y-11x=21 | | 4(x-3)2-(2x+5)2=55 | | (n^4+2*n^2+2013)/96=x | | 4a+7=2a+24 | | x-71=33-x | | (n^4+2*n^2+2013)/96=N | | x+35=50-4x | | n^4+2*n^2+2013/96=N | | 8x+20=44 | | n^4+2*n^2+2013/96 | | n*n*n*n+2*n*n+2013/96=N | | 3t+3=18 | | 5x+121=11x-5 | | t^2+9= | | 10-7x=62-21x | | 8x+10=210x | | 10-5n=2n+7 | | h^2-25= | | 2x+3x=4x+1x | | 49w^2-4= | | x*16+23=x*6+173 | | b^2+15b= | | 3x+5=3+7y | | w^2-7w+12= | | 13-9x=50-16x | | a*b=79 |