Practice
Factor using Difference of Two Squares.a) 25x12 −121y2
(5x6 +11y)(5x6 −11y)
(5x6 +11y)(5x6 −11y)
b) 25x12 −169y2
(5x6 +13y)(5x6 −13y)
(5x6 +13y)(5x6 −13y)
c) 81x2 −64y12
(9x +8y6)(9x −8y6)
(9x +8y6)(9x −8y6)
d) 25x4 −196y2
(5x2 +14y)(5x2 −14y)
(5x2 +14y)(5x2 −14y)
e) 25x2 −4y2
(5x +2y)(5x −2y)
(5x +2y)(5x −2y)
f) 81x2 −25y2
(9x +5y)(9x −5y)
(9x +5y)(9x −5y)
g) 36x2 −169y2
(6x +13y)(6x −13y)
(6x +13y)(6x −13y)
h) 4x2 −225y4
(2x +15y2)(2x −15y2)
(2x +15y2)(2x −15y2)
i) 9x2 −196y2
(3x +14y)(3x −14y)
(3x +14y)(3x −14y)
j) 64x2 −169y2
(8x +13y)(8x −13y)
(8x +13y)(8x −13y)