Practice
Factor using Difference of Two Squares.a) x12 −4
(x6 +2)(x6 −2)
(x6 +2)(x6 −2)
b) x2 −9
(x +3)(x −3)
(x +3)(x −3)
c) x12 −49
(x6 +7)(x6 −7)
(x6 +7)(x6 −7)
d) x2 −25
(x +5)(x −5)
(x +5)(x −5)
e) x2 −81
(x +9)(x −9)
(x +9)(x −9)
f) x2 −4
(x +2)(x −2)
(x +2)(x −2)
g) x2 −100
(x +10)(x −10)
(x +10)(x −10)
h) x2 −36
(x +6)(x −6)
(x +6)(x −6)
i) x2 −144
(x +12)(x −12)
(x +12)(x −12)
j) x4 −9
(x2 +3)(x2 −3)
(x2 +3)(x2 −3)