SOLUTION: Which of the following polynomials can be factored as a difference of two squares? 16x2 + 1 9y2 - 1 x2 + 4x + 4 144a2 + 16 all of the above

Algebra ->  Rational-functions -> SOLUTION: Which of the following polynomials can be factored as a difference of two squares? 16x2 + 1 9y2 - 1 x2 + 4x + 4 144a2 + 16 all of the above       Log On


   

Question 58252: Which of the following polynomials can be factored as a difference of two squares?
16x2 + 1
9y2 - 1
x2 + 4x + 4
144a2 + 16
all of the above

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
You'll notice that only one of the possible answers is a "difference", and that is:
9y%5E2-1 and this is: %283y%29%5E2+-+1%5E2 or the difference of two squares.