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-2*x-(1/2) = 0
(-x)^2-x+12 = 0
(x+4)*(3-x) = 0
e-10^5
2*(7/3)-1 = 0
| (X+12y)(x-3y)= | | -6x+6-9x-4=7x-22x+6 | | Tan50=21/x | | (3x-7)(4x-12)= | | n+17.9=19 | | x-x+3=15.3 | | 15(x+1000)=6300 | | x^2-12x+29=9 | | 9x+5y=210 | | -2x-1/2 | | x+10=4(x+1)-3 | | (7x-11)-(-12x-3)= | | 5x+6y=360 | | (X-9)(2x+6)= | | f(x)=9x^2-12-32 | | 3x-17=-17.2 | | (3z-u)(3z+7u)= | | (3-u)(7+5u)= | | f(x)=x^3+5 | | x^2+15x=56+0 | | (6-u)(3+6u)= | | sin2x=-7/25 | | -4(3-x)=.8(x+5) | | 7/3*2-1 | | 4y-2=-18 | | -6(y-3)=56 | | X-60+50+90=180 | | 20m^-6n^4/(2m^-1n^-2)^5 | | 3x-6=3(x+5) | | f(x)=2x^2+14x+2 | | 3y/4-2/3-7/12=0 | | (4a^2b)(9ab^2c)/6abc |