Question 8886: I've been stuck on this problem for a long time....
How can u factor:
7x2y2+147xy2-504y2=
(the 2 means to the 2nd power)
Thanks!! Answer by rapaljer(4671) (Show Source):
You can put this solution on YOUR website! Your first step in ANY factoring problem is to take out the common factors! In this expression, each term is divisible by 7 and y^2, so take out a common factor of
The trinomial factors if you can find two numbers whose product is -72 and whose difference is 21. Try 24 and -3
