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