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54;49
2*x^4-(3*x^2)+1 < 0
(2*x)^(2/3)
abs(x) > 3
(2*sin(x))/(sin(x)+cos(x))
| r=2t(2)-1 | | 6x-4+2x+8=52 | | x^3+2*x^2-3=0 | | r=2t(0)-1 | | 40+b=40+2 | | 4x+22=6x+5 | | f(x)=x^3-x-2 | | 26x+4= | | r=2(-2)-1 | | 0.5-cosx=0 | | -40=-2[3n-4] | | 3x+6=18x | | u+6=-7 | | -3(3x+2)=-9x-6 | | 7.2f+4.3=6.2-2f | | 0=2x^2+72 | | -2(6x-9)+6x=3(x+7) | | 7+5k=4y+26 | | 3p-4=p-10 | | 2x=3x^2-1 | | -9x+y=72 | | 9x+4y=-27 | | -1+2x=-19 | | 2/5xo | | Y=9/10x-5 | | 0.8x-10x=-2(x-2)+3 | | 5[m+2]=30 | | -4+7y=-28 | | 4d-(3s+7)=74 | | -4+7y=28 | | ln(x+1)-0.5ln(1-x)=10 | | 32x=24 |