Question

kindly help me to factor this:
3x^2y^4-27

Answer 1

3(xy^2-3)(xy^2 +3)

Answer 2

=3((xy^2)^2-3^2)
=3(xy^2+3)(xy^2-3)

Answer 3

what factoring technique did you used?

Answer 4

Difference of squares

Answer 5

took 3 out as a factor
then the given equation becomes similar to the identity
\[(a^2-b^2)=(a+b)(a-b)\]