Practice
Factor using Difference of Two Squares.a) 49x2 −64y8
(7x +8y4)(7x −8y4)
(7x +8y4)(7x −8y4)
b) 36x2 −169y12
(6x +13y6)(6x −13y6)
(6x +13y6)(6x −13y6)
c) 9x12 −4y2
(3x6 +2y)(3x6 −2y)
(3x6 +2y)(3x6 −2y)
d) 81x8 −169y2
(9x4 +13y)(9x4 −13y)
(9x4 +13y)(9x4 −13y)
e) 64x4 −169y2
(8x2 +13y)(8x2 −13y)
(8x2 +13y)(8x2 −13y)
f) 25x12 −36y8
(5x6 +6y4)(5x6 −6y4)
(5x6 +6y4)(5x6 −6y4)
g) 25x2 −81y4
(5x +9y2)(5x −9y2)
(5x +9y2)(5x −9y2)
h) 9x8 −121y8
(3x4 +11y4)(3x4 −11y4)
(3x4 +11y4)(3x4 −11y4)
i) 49x8 −64y4
(7x4 +8y2)(7x4 −8y2)
(7x4 +8y2)(7x4 −8y2)
j) 64x12 −9y2
(8x6 +3y)(8x6 −3y)
(8x6 +3y)(8x6 −3y)