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(r/s)^7 = 0
r^7*s^-7 = 0
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x in (-oo:+oo)
| (r/s)^7 | | 550=250+20f | | (3z-1)(z+6)=0 | | H(x)=x^4+5x^2+6 | | 2/5h-1=2h+3 | | (q+9)(q-3)=0 | | 3x-8.5=2.5x-1.25-.75x | | 2x+10-8x=13-14x+8x-3 | | 3x-4=(2x+4)/3 | | 40x^2+57x+20=0 | | (2x+5)/6=x/6 | | 4(2-x)=-6x-4 | | x+3x^2-10=0 | | 49y^2+42y+9=0 | | 36x-.8x^2-405=0 | | 3x+2=-5(x-2) | | 45a+2b=78945 | | 3/5y=4/10 | | 45a=2 | | 2(x-3)=-2x+5 | | 30a^2b+7ab-49b=0 | | x^2+56x+460=0 | | x+y=110x+5y=7 | | x+y=110x+5y=8 | | 2X=180-90-3X-10 | | y+90+2X=180 | | 28-5/12x=3/4x | | 3x+10-7x=15-14x+10-5 | | 6-6(3x-2)=-36 | | -x+7+4=22 | | (5x^3+x^2-9x)(8xy)= | | 7(x-2)=3x+14 |