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x in (-oo:+oo)
((16*x^6)/28)*x^8 = 0
4/7*x^14 = 0 // : 4/7
x^14 = 0
x = 0
x = 0
| 165+5x+7=142 | | 7(2a+3)=105 | | X=-25/3 | | 9=7(x-7) | | 4x+7y=396 | | -16t^2+8t+48=0 | | x-1/5=60 | | 3x+7y=396 | | x+(x-4)=60 | | (4/3x^2)-(3/x) | | 4Z^2+14Z=10Z-3 | | 20x-11=6x+17 | | (10x+3)=(12x-7) | | 9x+6=6x+6 | | (10x+3)=(12-7) | | f(2)=7x+2 | | X+(2x-1)=26 | | 2(x-3)=8-(2x+30) | | 56=2x^2+12 | | 10x+3=12-7 | | 4+2(1x-3)=8x+6 | | 4x-4=16-2x | | y=-6x^2+5 | | 5-2(x-3)=-3 | | 8r+6s+7-4+5s-3= | | (5t-6)(5t+6)= | | x^2-380x+5000=0 | | 7x+6y=900 | | 3w+2=11 | | 2x+1=y+6 | | 228=11-u | | =640 |