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D( x )
x^2 = 0
x^2 = 0
x^2 = 0
1*x^2 = 0 // : 1
x^2 = 0
x = 0
x in (-oo:0) U (0:+oo)
2*x-(2/(x^2)) = 0
2*x-2*x^-2 = 0
2*x^1-2*x^-2 = 0
(2*x^3-2*x^0)/(x^2) = 0 // * x^4
x^2*(2*x^3-2*x^0) = 0
x^2
2*x^3-2 = 0
{ 1, -1, 2, -2 }
1
x = 1
2*x^3-2 = 0
1
x-1
2*x^2+2*x+2
2*x^3-2
x-1
2*x^2-2*x^3
2*x^2-2
2*x-2*x^2
2*x-2
2-2*x
0
2*x^2+2*x+2 = 0
DELTA = 2^2-(2*2*4)
DELTA = -12
DELTA < 0
x in { 1}
x = 1
| w+17=29 | | 6(-1+1x)=-30 | | 8x=5(x-1)+8 | | 16(12)+16(8)= | | 5.6y+4=1.3y-2 | | 2(-9-2x)=-46 | | 2(12+5)= | | 5x^3-5x^2+20=20x | | 1+1/3=27 | | 3(x+2)=3x+1 | | 3m+3w= | | 90=w(2w+3) | | -6x+8-4x=-2 | | -3(x+2)=3x+1 | | x=3/4=1/4 | | -25=4x+2x-9 | | 2(7x-2)=3(2+3x) | | 3c+5d= | | -0.6w+5=4 | | (2+y)(5y+3)=0 | | x^4+2x^3-x^2-6x-3=0 | | -5=3x-2x-5 | | -0.5x-7=18 | | V=600-500 | | x^(1/2)=25 | | ln(x)=5/2 | | sqart(x)=25 | | 8=n/2 | | 236-15x+2x^2=360 | | sqart(x)= | | -34=-2x-5x+8 | | P=2.50-500 |