Practice
Factor using Difference of Two Squares.a) x2 −9
(x +3)(x −3)
(x +3)(x −3)
b) x2 −144
(x +12)(x −12)
(x +12)(x −12)
c) x12 −100
(x6 +10)(x6 −10)
(x6 +10)(x6 −10)
d) x2 −225
(x +15)(x −15)
(x +15)(x −15)
e) x2 −4
(x +2)(x −2)
(x +2)(x −2)
f) x2 −225
(x +15)(x −15)
(x +15)(x −15)
g) x2 −25
(x +5)(x −5)
(x +5)(x −5)
h) x8 −4
(x4 +2)(x4 −2)
(x4 +2)(x4 −2)
i) x2 −121
(x +11)(x −11)
(x +11)(x −11)
j) x2 −225
(x +15)(x −15)
(x +15)(x −15)