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(-2*x)/((x^2+1)^2)
2;9;1;12;0;1
x^-2*e^(2*x)
1*x^3-(1*x^2)-(2*x)+0 = 0;x
x
8;10;3;7;26;23
| q/54 | | 1/2(7x8) | | -3m(-5+15)=120 | | h=b*h | | 10x^2-9.5x=0 | | -13x-20=-12+40 | | 2In(x)=In(72)-In(2) | | 1.5x^2-.5x=0 | | 2x+3x-15=4x+5 | | a/7-a/3=-1/2 | | 2log(10)=x | | .3x-8=-12 | | 5m+3n+p+2n-m+(-5p)+3n= | | (x+2)=In(2x-3) | | -10y+8z+4y+10-2y= | | x=25-4y | | 6In(e)=3x | | Z/35=5/6 | | 1/2(b)(10) | | 9x^2+4y^2=1 | | 0.2y-0.9=7.7-0.5(3y+7) | | 45=12b(10) | | 10p+7-4p=7-6p | | 3x-4-4x=13 | | 8m+19-13+4n= | | 3(2x-7)+5x= | | 2x+3(x-5)=4x+5 | | -8.5x+0.53=-6.27 | | 14=-4t-2 | | 1.3x-8=-12 | | -10p+8=7 | | 8(c-13)=-16 |