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D( x )
(x-1)^2 = 0
(x-1)^2 = 0
(x-1)^2 = 0
x-1 = 0 // + 1
x = 1
x in (-oo:1) U (1:+oo)
(X^2-(2*X))/((x-1)^2) = 0
(X^2-2*X)/((x-1)^2) = 0
x belongs to the empty set
| x+88+x+40+x+58=360 | | 154=-4(8+6r) | | 12n*3=6 | | 2/10n=7/6 | | -11x=7-x | | 93+65+83+x+48=360 | | 9(x-10)=9 | | 12x+6=12x-3 | | x+90+2x+x+46=360 | | x+39+2x-55+2x-53=360 | | 5y-10=6y-26 | | x/4-19=-23 | | x+11+x+12=17 | | a(-1)=-2 | | 3x+55+x+44+2x-6+87=360 | | 6psquared-2p-3=0 | | (6x)+[6(x+1)]=118 | | x+29+x+35+x+20=360 | | 311-7=6b | | 2q-90+-5=17 | | 14x+83+14x+69+14x+82=360 | | x+52+x-2+51+77=360 | | X+137=219 | | 5/2n=7/6 | | 5r+42+-8=17 | | 4=2(x-4) | | 8n+10=-6 | | -2x-24+-10x=-12 | | x/2-x=9 | | 2x+x+71+x+73=360 | | 16u-14u=10 | | 18m-17m=12 |