Question

Which is a factor of 6x3y + 6xy − 12x2− 12? x + 2 xy − 1 x2 + 1 x2 − 2

Answer 1

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Answer 2

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Answer 3

6x3y + 6xy – 12x2– 12
=6xy(x^2+1)-12(x^2+1)
=6(xy-2)(x^2+1)