Practice
Factor using Difference of Two Squares.a) x8 −169
(x4 +13)(x4 −13)
(x4 +13)(x4 −13)
b) x2 −36
(x +6)(x −6)
(x +6)(x −6)
c) x2 −4
(x +2)(x −2)
(x +2)(x −2)
d) x8 −16
(x4 +4)(x4 −4)
(x4 +4)(x4 −4)
e) x2 −144
(x +12)(x −12)
(x +12)(x −12)
f) x8 −121
(x4 +11)(x4 −11)
(x4 +11)(x4 −11)
g) x4 −100
(x2 +10)(x2 −10)
(x2 +10)(x2 −10)
h) x2 −49
(x +7)(x −7)
(x +7)(x −7)
i) x4 −81
(x2 +9)(x2 −9)
(x2 +9)(x2 −9)
j) x2 −16
(x +4)(x −4)
(x +4)(x −4)