Question

How do you factor `x^2-25`?

Answer 1

The answer is `(x+5)(x-5)` .

`(x^2-25)` fits the pattern of the difference of squares in which `(a^2-b^2)=(a+b)(a-b)`.

The factorization of `(x^2-25)=(x^2-5^2)` =

`(x+5)(x-5)`