Practice
Factor using Difference of Two Squares.a) 64x2 −49y4
(8x +7y2)(8x −7y2)
(8x +7y2)(8x −7y2)
b) 25x2 −169y2
(5x +13y)(5x −13y)
(5x +13y)(5x −13y)
c) 4x2 −169y2
(2x +13y)(2x −13y)
(2x +13y)(2x −13y)
d) 36x2 −49y8
(6x +7y4)(6x −7y4)
(6x +7y4)(6x −7y4)
e) 4x2 −25y12
(2x +5y6)(2x −5y6)
(2x +5y6)(2x −5y6)
f) 81x2 −121y4
(9x +11y2)(9x −11y2)
(9x +11y2)(9x −11y2)
g) 4x2 −9y8
(2x +3y4)(2x −3y4)
(2x +3y4)(2x −3y4)
h) 25x4 −169y8
(5x2 +13y4)(5x2 −13y4)
(5x2 +13y4)(5x2 −13y4)
i) 49x2 −100y2
(7x +10y)(7x −10y)
(7x +10y)(7x −10y)
j) 4x2 −121y2
(2x +11y)(2x −11y)
(2x +11y)(2x −11y)