Practice
Factor using Difference of Two Squares.a) x2 −121
(x +11)(x −11)
(x +11)(x −11)
b) x2 −121
(x +11)(x −11)
(x +11)(x −11)
c) x2 −36
(x +6)(x −6)
(x +6)(x −6)
d) x4 −225
(x2 +15)(x2 −15)
(x2 +15)(x2 −15)
e) x2 −9
(x +3)(x −3)
(x +3)(x −3)
f) x8 −196
(x4 +14)(x4 −14)
(x4 +14)(x4 −14)
g) x2 −81
(x +9)(x −9)
(x +9)(x −9)
h) x2 −144
(x +12)(x −12)
(x +12)(x −12)
i) x2 −16
(x +4)(x −4)
(x +4)(x −4)
j) x12 −49
(x6 +7)(x6 −7)
(x6 +7)(x6 −7)