Practice
Factor using Difference of Two Squares.a) x12 −16
(x6 +4)(x6 −4)
(x6 +4)(x6 −4)
b) x2 −225
(x +15)(x −15)
(x +15)(x −15)
c) x2 −225
(x +15)(x −15)
(x +15)(x −15)
d) x4 −196
(x2 +14)(x2 −14)
(x2 +14)(x2 −14)
e) x12 −225
(x6 +15)(x6 −15)
(x6 +15)(x6 −15)
f) x2 −36
(x +6)(x −6)
(x +6)(x −6)
g) x8 −121
(x4 +11)(x4 −11)
(x4 +11)(x4 −11)
h) x2 −81
(x +9)(x −9)
(x +9)(x −9)
i) x4 −49
(x2 +7)(x2 −7)
(x2 +7)(x2 −7)
j) x2 −49
(x +7)(x −7)
(x +7)(x −7)