Practice
Factor using Difference of Two Squares.a) x8 −225
(x4 +15)(x4 −15)
(x4 +15)(x4 −15)
b) x2 −196
(x +14)(x −14)
(x +14)(x −14)
c) x2 −16
(x +4)(x −4)
(x +4)(x −4)
d) x2 −49
(x +7)(x −7)
(x +7)(x −7)
e) x2 −100
(x +10)(x −10)
(x +10)(x −10)
f) x2 −4
(x +2)(x −2)
(x +2)(x −2)
g) x2 −25
(x +5)(x −5)
(x +5)(x −5)
h) x12 −16
(x6 +4)(x6 −4)
(x6 +4)(x6 −4)
i) x2 −4
(x +2)(x −2)
(x +2)(x −2)
j) x2 −9
(x +3)(x −3)
(x +3)(x −3)