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D( h )
h = 0
h = 0
h = 0
h in (-oo:0) U (0:+oo)
(40*(h+2)-(16*(h+2)^2)-16)/h = 0
(40*(h+2)-16*(h+2)^2-16)/h = 0
40*(h+2)-16*(h+2)^2-16 = 0
40*(h+2)-16*(h+2)^2-16 = 0
16-16*h^2-24*h-16 = 0
-16*h^2-24*h = 0
-16*h^2-24*h = 0
-8*h*(2*h+3) = 0
2*h+3 = 0 // - 3
2*h = -3 // : 2
h = -3/2
-8*h*(h+3/2) = 0
-8*h*(h+3/2) = 0
(-8*h*(h+3/2))/h = 0
( -8*h )
-8*h = 0 // : -8
h = 0
( h+3/2 )
h+3/2 = 0 // - 3/2
h = -3/2
h in { 0}
h = -3/2
| 177-4x=41x+22 | | 0-5(-3)=3 | | 3=0.5q | | TR=6q-0.5q^2 | | 10+10+10+10=110 | | x-5(-3)=3 | | ln(x)-ln(9)=11 | | 16x+40= | | X=-6/7y | | z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z=1 | | z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z*z=5555 | | z*z=66x | | z*z=5555 | | z*z=xy | | 5e=10x | | 5y=7z | | 2x=5y-8z | | 0.42x+x=71 | | 2x=974512 | | 12x-4y+8x= | | 0.1x^2-0.2x-3.5=0 | | 100x^3=x | | 4g^2-2g^2+2g-3g+7= | | 20=x-0.2x | | 4/3-2 | | 3ax-3y^2=0 | | 3x+3=168 | | 12/2/5 | | 24-1/3n=14 | | 1/5n+3=8 | | 12t^3+12t^2-84t-180=0 | | 11n+20=31 |