Practice
Factor using Difference of Two Squares.a) 4x2 −169y8
(2x +13y4)(2x −13y4)
(2x +13y4)(2x −13y4)
b) 25x8 −49y2
(5x4 +7y)(5x4 −7y)
(5x4 +7y)(5x4 −7y)
c) 49x2 −169y12
(7x +13y6)(7x −13y6)
(7x +13y6)(7x −13y6)
d) 9x2 −169y4
(3x +13y2)(3x −13y2)
(3x +13y2)(3x −13y2)
e) 64x2 −81y2
(8x +9y)(8x −9y)
(8x +9y)(8x −9y)
f) 9x2 −4y2
(3x +2y)(3x −2y)
(3x +2y)(3x −2y)
g) 49x4 −25y2
(7x2 +5y)(7x2 −5y)
(7x2 +5y)(7x2 −5y)
h) 4x2 −25y2
(2x +5y)(2x −5y)
(2x +5y)(2x −5y)
i) 16x2 −81y4
(4x +9y2)(4x −9y2)
(4x +9y2)(4x −9y2)
j) 81x2 −16y12
(9x +4y6)(9x −4y6)
(9x +4y6)(9x −4y6)