Practice
Factor using Difference of Two Squares.a) 16x2 −169y12
(4x +13y6)(4x −13y6)
(4x +13y6)(4x −13y6)
b) 81x2 −100y2
(9x +10y)(9x −10y)
(9x +10y)(9x −10y)
c) 81x2 −4y2
(9x +2y)(9x −2y)
(9x +2y)(9x −2y)
d) 4x2 −49y2
(2x +7y)(2x −7y)
(2x +7y)(2x −7y)
e) 49x2 −81y2
(7x +9y)(7x −9y)
(7x +9y)(7x −9y)
f) 4x2 −169y2
(2x +13y)(2x −13y)
(2x +13y)(2x −13y)
g) 25x2 −169y2
(5x +13y)(5x −13y)
(5x +13y)(5x −13y)
h) 64x2 −9y2
(8x +3y)(8x −3y)
(8x +3y)(8x −3y)
i) 81x2 −4y8
(9x +2y4)(9x −2y4)
(9x +2y4)(9x −2y4)
j) 9x8 −16y2
(3x4 +4y)(3x4 −4y)
(3x4 +4y)(3x4 −4y)