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D( t )
t = 0
t = 0
t = 0
t in (-oo:0) U (0:+oo)
(t^2)/t = 0
t = 0
t in { 0}
t belongs to the empty set
| =(7x^2-x-1)+(2x+1) | | 600x5/8 | | =(3x+9)+(5-2x) | | 8-6x-10x+5= | | 7-2(u+5)=4(1-3) | | =(3+8x)+(5x-2) | | 25=-x^2+24x | | 3y-9+y=5y+2 | | 24=-x^2+24x | | 5x-(4x+8)=2 | | 10x+24(x-2)=394 | | 23=-x^2+24x | | 12=-x^2+24x | | 5x+28(x-3)=279 | | 8n-(5+6)=6 | | -x^2+24x=y | | 236.53-81.52= | | -x^2+24=y | | 0.08/42,000= | | (y^(-5/9))/(y^(-4/3)) | | y^(-5/9)/y^(-4/3) | | 27=9x+-4x | | (25b-1)-6(4b+4)=3 | | 7x+5=5+2x+25 | | 3.25p=208 | | -18-11r=-6 | | 3.25/208= | | 9x*7x*8x= | | 3.25p=218 | | 3.25o=268 | | 3.25l=258 | | 3.25x=228 |