If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( r )
r < 0
r < 0
r in <0:+oo)
2*(27*r)^(1/3)*r^(1/2) = 0
6*r^(5/6) = 0 // : 6
r^(5/6) = 0
r = 0
r = 0
| 6=x/10-1 | | 6(x+7)=7(x-1) | | (7x+7)(5x-4)=0 | | -(4x-3)=35 | | k=2(3k-5) | | 5+9n=5n+9 | | x^2+15x+7.5=0 | | 4(8+3n)=5(n-2) | | 62.8*1/3=x | | -y(y^2-3a^2+2ab)= | | -y(u^2-3ab^2+2ab)= | | X/3-3=37 | | .5*-5=h | | 3(7+7n)=-7(-3-76n)-6n | | 5.5x+34.6=10x | | 30(15-g)= | | (7+7n)=-7(-3-76n)-6n | | 12(5x^2-32)=3x-7 | | 6x+5x=10 | | -5(r+8)=-86 | | 20p+12q+p-4q-6p= | | t+1.5=4t+0.6 | | 7y(4x-3)= | | 42=w+w+2w-3+2w-3 | | 42x^2=3x^2+25 | | 3(5e-8)=10 | | (1/x+4)+(1/x-4)=(1/x+11) | | 8(r+1)+4(-7+2r)=12 | | x^2=11(2.5) | | 1/8(x+2)=8 | | 0.7(x+5)+0.2(x+25)=22 | | w+w+2w-3+2w-3= |