SOLUTION: 8x^2-10xy-25y^2 how do you factor this polynomial

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Question 464404: 8x^2-10xy-25y^2 how do you factor this polynomial
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

8x%5E2-10xy-25y%5E2.....replace -10xy with 10xy-20xy
8x%5E2%2B10xy-20xy-25y%5E2.....group first and third, second and fourth terms
%288x%5E2-20xy%29%2B%2810xy-25y%5E2%29.......factor out 4x from first group and 5y from second group
4x%282x-5y%29-5y%282x-5y%29
%282x-5y%29+%284x%2B5y%29