FACTORING IS A METHOD TO GET THE SOLUTION

2. SUM AND DIFFERENCE OF
TWO TERMS
(a - b)(a + b) = a2 – b2
SQUARE OF A BINOMIAL
(a + b) 2 = a2 + 2ab + b2
(a - b) 2 = a2 – 2ab + b2
SQUARE OF A TRINOMIAL
(a + b + c)2= a2 + b2 + c2 +2ab + 2bc + 2ac
CUBE OF A BINOMIAL