SOLUTION: I really need help from someone please? x^2-3xy+9y^2

Question 490298: I really need help from someone please?
x^2-3xy+9y^2
Found 2 solutions by John10, Sultan:
Answer by John10(297) (Show Source): You can put this solution on YOUR website!
It is a PRIME polynomial. Thus it can NOT be factored.
John10:)
Answer by Sultan(2) (Show Source): You can put this solution on YOUR website!

x^2-3xy+9y^2
= x^2-2*x*3y/2+(3y/2)^2-(3y/2)^2+9y^2
=(x-3y/2)^2-(33/4)y^2
Now apply this formula a^2-b^2=(a-b)(a+b)
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