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(4-3*x^2)/((3*x^2+4)^2)
1*x^4+8*x^3+6*x^2-(44*x)-16 = 0;x
x
4/((3*x^2+4)^2)-3*x^2
86;169
5*x^3-(24*x^2)+13*x+6 = 0;x
x
| -3(-4x+3)=75 | | 6x-21=5x+19 | | -14+y= | | A-12=-75 | | 15/10=x/25 | | 3x+7=4(x+1) | | -8x-5=2x+25 | | 9+a=-30 | | 7(10+6x)=28 | | 2x+2=-7x+74 | | d*23d= | | Y=BC+s | | 6(x+6)-(5-2x)+2=0 | | 5-2x=7x+104 | | -57+6n+21-4n=0 | | 5(x+2)(x+2)-(x-5)(x-5)=(2x-3)(2x-3)+19 | | 2/3x-3/5=1 | | 30x+11=450 | | 12x+10y=101 | | X/2=16/4 | | 7=x+23 | | -4x+1=-43+7x | | 2x^2=30.25 | | -48=4x+6x-8 | | 4x+5+7x=27 | | fx=-2x+3 | | 4x+2(x-1)=20 | | 5x+1-3x=15 | | 42=(x+10) | | 52=-x+5x+8 | | 42-7x=14 | | (x+10)=42 |