Practice
Factor using Difference of Two Squares.a) x2 −4
(x +2)(x −2)
(x +2)(x −2)
b) x2 −36
(x +6)(x −6)
(x +6)(x −6)
c) x2 −225
(x +15)(x −15)
(x +15)(x −15)
d) x2 −49
(x +7)(x −7)
(x +7)(x −7)
e) x2 −9
(x +3)(x −3)
(x +3)(x −3)
f) x2 −49
(x +7)(x −7)
(x +7)(x −7)
g) x2 −4
(x +2)(x −2)
(x +2)(x −2)
h) x2 −169
(x +13)(x −13)
(x +13)(x −13)
i) x4 −16
(x2 +4)(x2 −4)
(x2 +4)(x2 −4)
j) x12 −196
(x6 +14)(x6 −14)
(x6 +14)(x6 −14)