SOLUTION: Choose best answer. thanks! 36y^2-25 A.) (6y+5)(6y-5) B.) (x-3)(x+1) C.) (x+3)(x+9) d.) prime

Question 74321: Choose best answer. thanks!
36y^2-25
A.) (6y+5)(6y-5) B.) (x-3)(x+1)
C.) (x+3)(x+9) d.) prime

Found 2 solutions by checkley75, jim_thompson5910:
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
36y^2-25
(6x+5)(6x-5)
answer A).
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Notice how we are dealing with perfect squares here. So the equation factors to
which foils back to

In a more general sense
factors to or in other words
which is the difference of squares where x=6 and y=5
So the answer is a).
Hope this will help you with further difference of squares problems.