If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
3*x^7 = 0
3*x^7 = 0
3*x^7 = 0
3*x^7 = 0 // : 3
x^7 = 0
x = 0
x in (-oo:0) U (0:+oo)
10/(3*x^7) = 0
10/3*x^-7 = 0 // : 10/3
x^-7 = 0
x należy do O
x belongs to the empty set
| 3/1/4 | | cos=-cos^2+sen^2 | | cos(x)=-cos(2x) | | (6x^2-5)-(2x^2+3x-2)= | | 144x^2+72x+9-1=11 | | 48r=9+r^2 | | (1/(6log(163)))ln(163) | | ax+v=22 | | aln163=1/6 | | 5x*5=-5 | | 99x-98=99 | | (7*10^5)/((2*10^-2)*(2.5*10^9)) | | n+m+N=20 | | f(x)=ln(x^2-4) | | z^2+2z+2=0completing | | 6a^2-9ab=0 | | 6x-5=9+2x | | 2m^2-72=0 | | 10x+6=10+5x | | 10x+6=10+5 | | factor=x^2-b^2 | | 80A+168B=9858 | | ax+b=22 | | 41/2 | | 10x-5=10+6 | | -6-7=140 | | (x-8y)-(2x-4y)= | | X/4-8=-17 | | 8(x-c)=15d | | 4x-9b=4c | | -2x=-12ab | | (0+4)x(10-7)+10= |