Practice
Factor using Difference of Two Squares.a) x2 −49
(x +7)(x −7)
(x +7)(x −7)
b) x8 −196
(x4 +14)(x4 −14)
(x4 +14)(x4 −14)
c) x12 −169
(x6 +13)(x6 −13)
(x6 +13)(x6 −13)
d) x2 −169
(x +13)(x −13)
(x +13)(x −13)
e) x2 −16
(x +4)(x −4)
(x +4)(x −4)
f) x2 −169
(x +13)(x −13)
(x +13)(x −13)
g) x8 −144
(x4 +12)(x4 −12)
(x4 +12)(x4 −12)
h) x2 −4
(x +2)(x −2)
(x +2)(x −2)
i) x2 −196
(x +14)(x −14)
(x +14)(x −14)
j) x2 −4
(x +2)(x −2)
(x +2)(x −2)