Practice
Factor using Difference of Two Squares.a) x2 −9
(x +3)(x −3)
(x +3)(x −3)
b) x2 −9
(x +3)(x −3)
(x +3)(x −3)
c) x2 −100
(x +10)(x −10)
(x +10)(x −10)
d) x2 −144
(x +12)(x −12)
(x +12)(x −12)
e) x4 −25
(x2 +5)(x2 −5)
(x2 +5)(x2 −5)
f) x2 −49
(x +7)(x −7)
(x +7)(x −7)
g) x12 −100
(x6 +10)(x6 −10)
(x6 +10)(x6 −10)
h) x8 −16
(x4 +4)(x4 −4)
(x4 +4)(x4 −4)
i) x2 −36
(x +6)(x −6)
(x +6)(x −6)
j) x12 −121
(x6 +11)(x6 −11)
(x6 +11)(x6 −11)