Question 728841
Can someone answer these questions please? How do you factor the difference of two squares? How do you factor the perfect square trinomial? How do you factor the sum and difference of two cubes ?

Factoring the difference of two squares:

Example:


(x^2 - 3^2)

Answer:

(x + 3)(x - 3)


Factoring a perfect square trinomial is used when 

Completing the Square.