Practice
Factor using Difference of Two Squares.a) x8 −36
(x4 +6)(x4 −6)
(x4 +6)(x4 −6)
b) x4 −225
(x2 +15)(x2 −15)
(x2 +15)(x2 −15)
c) x12 −196
(x6 +14)(x6 −14)
(x6 +14)(x6 −14)
d) x2 −9
(x +3)(x −3)
(x +3)(x −3)
e) x2 −100
(x +10)(x −10)
(x +10)(x −10)
f) x2 −9
(x +3)(x −3)
(x +3)(x −3)
g) x2 −4
(x +2)(x −2)
(x +2)(x −2)
h) x2 −144
(x +12)(x −12)
(x +12)(x −12)
i) x12 −121
(x6 +11)(x6 −11)
(x6 +11)(x6 −11)
j) x2 −225
(x +15)(x −15)
(x +15)(x −15)