Question

If the given polynomial has a special factorization, factor the polynomial:
25x^2-16

Answer 1

difference of two squares

Answer 2

(5x + 4) (5x - 4)

Answer 3

\[a^2-b^2=(a+b)(a-b)\] in this case
\[a=5x,b=4\] gives


\[25x^2-16=(5x+4)(5x-4)\]

Answer 4

difference of two squares