SOLUTION: I need to factor this problem. 8x^3y^2

SOLUTION: I need to factor this problem. 8x^3y^2 - 18xy^4

Question 103908: I need to factor this problem.
8x^3y^2 - 18xy^4
Found 2 solutions by jim_thompson5910, stanbon:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression

Factor out the GCF

Now lets factor

Let a=2x and b=3y

Notice we get

So let's use the difference of squares to factor (remember the difference of squares formula is

Now replace in with

So factors to

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
factor this problem.
8x^3y^2 - 18xy^4
= 2xy^2(4x^2 - 9y^2)
= 2xy^2(2x-3y)(2x+3y)
=================
Cheers,
Stan H.
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