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)
(15*x^1.3)/8 = 0
15/8*x^1.3 = 0 // : 15/8
x^1.3 = 0
x = 0
x = 0
| 20=100a | | (5y-10)/(-2)=-10 | | (3x-68)/4=-11 | | 2x^2+4x+4=4x^2 | | -(n-6)-8=(-1+n) | | 2sinx=0.6 | | H=5+10d-d^2 | | 3x-10=8x+7 | | H=-d^2+10d-d^2 | | 2x-16=9x+5 | | 6x-10+7=4-4x+13 | | (5.9p-0.3p)+7.1=2.2 | | 11.3x-10.1x+8=13.24 | | 8x/7-3.5=116.5 | | f-8.12-1.5f=8.12 | | (Lnx)-0.00055x^2=2.63 | | 3z=-88 | | (y-3)=3y-5 | | Ax-A+BX-2B=3x | | 3z+4=-56 | | 2y(-2x)=12 | | 5t=2m | | 3x-=3(2-1) | | 3x-=3(2_1) | | 2xy-Xu= | | S*7=122 | | 6+5a+6x+2a= | | 3=x^2-9x | | 3=x^2+9x | | 20y+2=46fraction | | c+5=c+8 | | -20/24 |