Practice
Factor using Difference of Two Squares.a) 49x2 −169y2
(7x +13y)(7x −13y)
(7x +13y)(7x −13y)
b) 81x2 −169y12
(9x +13y6)(9x −13y6)
(9x +13y6)(9x −13y6)
c) 49x8 −36y2
(7x4 +6y)(7x4 −6y)
(7x4 +6y)(7x4 −6y)
d) 36x2 −169y2
(6x +13y)(6x −13y)
(6x +13y)(6x −13y)
e) 64x2 −169y2
(8x +13y)(8x −13y)
(8x +13y)(8x −13y)
f) 9x2 −196y2
(3x +14y)(3x −14y)
(3x +14y)(3x −14y)
g) 64x2 −9y2
(8x +3y)(8x −3y)
(8x +3y)(8x −3y)
h) 16x2 −169y2
(4x +13y)(4x −13y)
(4x +13y)(4x −13y)
i) 64x8 −25y2
(8x4 +5y)(8x4 −5y)
(8x4 +5y)(8x4 −5y)
j) 9x2 −121y2
(3x +11y)(3x −11y)
(3x +11y)(3x −11y)