Question

How would I factor this equation?
2x^3y + 8xy - 4x^2y - 16y

Answer 1

implicit differentiation?

Answer 2

factor out GCF of 2y to start?

Answer 3

Like this?
2y(x^3+4x-2x^2-8)

Answer 4

yup

Answer 5

now factor by grouping

Answer 6

This is a more difficult version of a easy equation of this kind, if you understand quadratic formula; ax^2 + xb + c basics, you put this to use in a larger equation such as this one. I believe @ehuman has you on the right track. So, good luck!

Answer 7

How do I factor by grouping?

Answer 8

google factor by grouping, it is an essential tool

Answer 9

oops made a mistake