I. 3x2+29x+56=0

    II. 2y2+15y+25=0

  • If x < y
  • If x > y
  • If x ≥ y
  • If x ≥ y
  • If relationship between x and y cannot be established
  • Explanation:

    I. 3x2+29x+56=0

    3x2+21x+8x+56=0

    3x(x+7)+8(x+7)=0

    (x+7)(3x+8)=0

    x=-7 or -8/3

    II. 2y2+15y+25=0

    2y2+10y+5y+25=0

    2y(y+5)+5(y+5)=0

    (y+5)(2y+5)=0

    y=-5 or -5/2

    ∴ relationship between x and y cannot be established


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I. 3x2+29x+56=0 II. 2y2+15y+25=0
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