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 in <0:+oo)
4 = x^(3/10) // - x^(3/10)
4-x^(3/10) = 0
-1*x^(3/10) = -4 // : -1
x^(3/10) = 4
( 4 < 0 i 3/10 in (0:1) ) => x należy do O
x belongs to the empty set
| n-[-252]=906 | | y/2.5=-2.5 | | v^2-14v-31=0 | | 25b^2=15b+18 | | 10ax+4x=6a+4 | | -9v+9=-10v | | 7m^2-30=-37m | | -10-4q=10-3q-3q | | 16899.48=2*3.14*20.7+2*3.14*20.7*h | | PxX=5-10x | | 4(-36+9x)=-72 | | 5=4(3)+b | | (9x^9)(6)= | | 1=4(2)+b | | 3q+4p= | | Tan(4x)=1.9 | | 6(y+5)+3=57 | | 10-2t=-10+8t | | -3(2x+4)=-2x+12 | | 5x+7y=36 | | 2232/18 | | 8x^7+9x^2+7=0 | | 3R=105 | | -6.25/2.5=-2.5 | | z*5=-32 | | 0=-16x+46x+6 | | 1=1(2)+b | | -0.09+-0.7= | | 12(x+3)=6(2x+6) | | -9+6m=9m | | 12(x+3)=6(2x+3) | | ab-x=5 |