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^9 = 0
x^9 = 0
x^9 = 0
1*x^9 = 0 // : 1
x^9 = 0
x = 0
x in (-oo:0) U (0:+oo)
(x^7)/(x^9) = 0
1*x^-2 = 0 // : 1
x^-2 = 0
x należy do O
x belongs to the empty set
| 31-7x=10-10x | | 3m+6m-m+2=4m-6 | | 12-4x=2+6 | | 2(1-v)+9=3(2b+1) | | 9(z+4)-2(z-4)=3(z-4)+3(z-1) | | .5x+10=-0.25x+54 | | 22(4x-3)-8=4+2x | | 2x-6x+5+8=109 | | =ln(6x) | | 3(x+4)-2x=16-4(x+5) | | 15x+5=15x+5 | | (x^2-5x+6)+(-4x^2+2x+7)= | | 5(x+8)-30=90 | | -19+7k=5(k-5) | | 8+5z=4 | | 4+.75x=20 | | 6(3)-30=12 | | 3(-3(x+5))=2x-10 | | 2(-x-7)=14+2x | | X/912 | | 48/2x=3 | | 3x+25-2x=9+4x-5 | | x^2+10=25 | | 2=y+4(1) | | X-9=8[2x+3]-18 | | 8x-24=96 | | (x+3)+(-3)=x+(3+(-3)) | | 2x-5=b-6x | | 5/9(9d-27)-14 | | 3x^1/2-7x^1/4=6 | | 72x+150=2000 | | 9a-9=15+3a |