Algebra Homework Help : Factorization - Difference of Two Squares

Factor each of the following and type only the answer in the input box.
Leave no spaces when typing the answer.
EXAMPLE: x⁴-16 = (x²+4)(x+2)(x-2)
Since there are multiple ways of writing an answer, it is possible the computer may mark a correct answer wrong.
So, please always check the answers and explanations.