Answer
$(5x+2)(5x-2)$
Work Step by Step
$25x^2-4$
To factor the difference of two squares, we can refer to the general form that any difference of two squares can be written as, that is:
$(x^2-a^2)=(x+a)(x-a).$
Therefore, the answer can be written as:
$(5x+2)(5x-2)$
