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x in (-oo:0) U (0:+oo)
| (xy)dx+(x^2-3y^2)dy=0 | | x^3=x^9 | | x+23=204 | | 35.9=2x+12.9 | | 56.9/321=v/298 | | (2x-1)(4x-7)= | | 7+7x+6x=-149 | | w-4=-6w+40 | | x+30+3x+10=180 | | 2x^4+4x^2+3=0 | | -24+18x-3x^2=0 | | 9-6x-2-8x= | | 97x^2-2x^1-1=0 | | -24+18x-3tx^2=0 | | -3(2t-5)+2t=3t-5 | | 2.77/0.00117=3.62/x | | 48x^2-4x-80=0 | | (2y)dx+x[(x^2)lny-1]dy=0 | | 7x-3=x-27 | | 7x-7(4x-9)=-63 | | (3x-4)(3x-2)= | | 5(-4x-9)=-125 | | x-0.02x= | | y=4x^2-9x+9 | | 0.02x-x= | | .5x+2y=96 | | (x-2)dx+(2x+y)dy=0 | | 5x^2+19+12=0 | | 8-2x-6-10x=5 | | 5/3-15/x= | | 7x-11-3x+6= | | x÷2/x-7=3/x-4 |