Practice
Factor using Difference of Two Squares.a) 16x12 −81y2
(4x6 +9y)(4x6 −9y)
(4x6 +9y)(4x6 −9y)
b) 36x4 −49y12
(6x2 +7y6)(6x2 −7y6)
(6x2 +7y6)(6x2 −7y6)
c) 9x8 −169y12
(3x4 +13y6)(3x4 −13y6)
(3x4 +13y6)(3x4 −13y6)
d) 16x2 −169y2
(4x +13y)(4x −13y)
(4x +13y)(4x −13y)
e) 25x2 −36y2
(5x +6y)(5x −6y)
(5x +6y)(5x −6y)
f) 9x2 −169y2
(3x +13y)(3x −13y)
(3x +13y)(3x −13y)
g) 4x2 −81y2
(2x +9y)(2x −9y)
(2x +9y)(2x −9y)
h) 16x2 −81y2
(4x +9y)(4x −9y)
(4x +9y)(4x −9y)
i) 9x12 −25y2
(3x6 +5y)(3x6 −5y)
(3x6 +5y)(3x6 −5y)
j) 25x4 −121y4
(5x2 +11y2)(5x2 −11y2)
(5x2 +11y2)(5x2 −11y2)