Practice
Factor using Difference of Two Squares.a) x2 −25
(x +5)(x −5)
(x +5)(x −5)
b) x8 −225
(x4 +15)(x4 −15)
(x4 +15)(x4 −15)
c) x2 −64
(x +8)(x −8)
(x +8)(x −8)
d) x2 −169
(x +13)(x −13)
(x +13)(x −13)
e) x2 −9
(x +3)(x −3)
(x +3)(x −3)
f) x2 −81
(x +9)(x −9)
(x +9)(x −9)
g) x12 −9
(x6 +3)(x6 −3)
(x6 +3)(x6 −3)
h) x2 −49
(x +7)(x −7)
(x +7)(x −7)
i) x2 −81
(x +9)(x −9)
(x +9)(x −9)
j) x2 −225
(x +15)(x −15)
(x +15)(x −15)