Which is a factor of 3x2y2 + 6×2+ 12y2 + 24?

6

x2 + 2

y2 + 6

x2 + 4

3 Answers

  • Groupin method gives:

    3x²(y² + 2) + 12(y² + 2)

    = (3x² + 12)(y² + 2)

    = 3(x² + 4)(y² + 2)

    The last choice works!

    I hope this helps!

  • Write this as 3(x^2y^2+2x^2+4y^2+8)=3(x^2+4)(y^2+2) is the result. To factor further would require complex(imaginary) numbers.

  • None of them...it's 3x2+12 and y2+2

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