Practice
Factor using Difference of Two Squares.a) x2 −49
(x +7)(x −7)
(x +7)(x −7)
b) x2 −4
(x +2)(x −2)
(x +2)(x −2)
c) x2 −81
(x +9)(x −9)
(x +9)(x −9)
d) x2 −9
(x +3)(x −3)
(x +3)(x −3)
e) x12 −100
(x6 +10)(x6 −10)
(x6 +10)(x6 −10)
f) x2 −81
(x +9)(x −9)
(x +9)(x −9)
g) x12 −196
(x6 +14)(x6 −14)
(x6 +14)(x6 −14)
h) x2 −25
(x +5)(x −5)
(x +5)(x −5)
i) x2 −16
(x +4)(x −4)
(x +4)(x −4)
j) x2 −16
(x +4)(x −4)
(x +4)(x −4)