Practice
Factor using Difference of Two Squares.a) 64x2 −169y8
(8x +13y4)(8x −13y4)
(8x +13y4)(8x −13y4)
b) 64x8 −169y2
(8x4 +13y)(8x4 −13y)
(8x4 +13y)(8x4 −13y)
c) 16x2 −169y2
(4x +13y)(4x −13y)
(4x +13y)(4x −13y)
d) 49x12 −16y2
(7x6 +4y)(7x6 −4y)
(7x6 +4y)(7x6 −4y)
e) 25x2 −4y2
(5x +2y)(5x −2y)
(5x +2y)(5x −2y)
f) 49x2 −9y2
(7x +3y)(7x −3y)
(7x +3y)(7x −3y)
g) 9x2 −49y8
(3x +7y4)(3x −7y4)
(3x +7y4)(3x −7y4)
h) 25x2 −49y2
(5x +7y)(5x −7y)
(5x +7y)(5x −7y)
i) 49x2 −81y2
(7x +9y)(7x −9y)
(7x +9y)(7x −9y)
j) 4x2 −225y2
(2x +15y)(2x −15y)
(2x +15y)(2x −15y)