Practice
Factor using Difference of Two Squares.a) x4 −36
(x2 +6)(x2 −6)
(x2 +6)(x2 −6)
b) x2 −36
(x +6)(x −6)
(x +6)(x −6)
c) x2 −81
(x +9)(x −9)
(x +9)(x −9)
d) x2 −144
(x +12)(x −12)
(x +12)(x −12)
e) x2 −121
(x +11)(x −11)
(x +11)(x −11)
f) x2 −4
(x +2)(x −2)
(x +2)(x −2)
g) x2 −49
(x +7)(x −7)
(x +7)(x −7)
h) x12 −49
(x6 +7)(x6 −7)
(x6 +7)(x6 −7)
i) x2 −16
(x +4)(x −4)
(x +4)(x −4)
j) x2 −64
(x +8)(x −8)
(x +8)(x −8)