Practice
Factor using Difference of Two Squares.a) 25x2 −16y4
(5x +4y2)(5x −4y2)
(5x +4y2)(5x −4y2)
b) 36x2 −169y2
(6x +13y)(6x −13y)
(6x +13y)(6x −13y)
c) 36x12 −121y12
(6x6 +11y6)(6x6 −11y6)
(6x6 +11y6)(6x6 −11y6)
d) 25x2 −169y4
(5x +13y2)(5x −13y2)
(5x +13y2)(5x −13y2)
e) 25x4 −169y2
(5x2 +13y)(5x2 −13y)
(5x2 +13y)(5x2 −13y)
f) 25x8 −196y2
(5x4 +14y)(5x4 −14y)
(5x4 +14y)(5x4 −14y)
g) 49x2 −81y2
(7x +9y)(7x −9y)
(7x +9y)(7x −9y)
h) 64x2 −121y2
(8x +11y)(8x −11y)
(8x +11y)(8x −11y)
i) 9x2 −49y12
(3x +7y6)(3x −7y6)
(3x +7y6)(3x −7y6)
j) 25x2 −16y2
(5x +4y)(5x −4y)
(5x +4y)(5x −4y)