Practice
Factor using Difference of Two Squares.a) 25x2 −169y2
(5x +13y)(5x −13y)
(5x +13y)(5x −13y)
b) 16x2 −121y4
(4x +11y2)(4x −11y2)
(4x +11y2)(4x −11y2)
c) 25x2 −144y12
(5x +12y6)(5x −12y6)
(5x +12y6)(5x −12y6)
d) 49x2 −4y2
(7x +2y)(7x −2y)
(7x +2y)(7x −2y)
e) 25x12 −16y2
(5x6 +4y)(5x6 −4y)
(5x6 +4y)(5x6 −4y)
f) 4x2 −9y2
(2x +3y)(2x −3y)
(2x +3y)(2x −3y)
g) 4x2 −169y8
(2x +13y4)(2x −13y4)
(2x +13y4)(2x −13y4)
h) 25x8 −196y2
(5x4 +14y)(5x4 −14y)
(5x4 +14y)(5x4 −14y)
i) 9x8 −169y8
(3x4 +13y4)(3x4 −13y4)
(3x4 +13y4)(3x4 −13y4)
j) 49x2 −64y2
(7x +8y)(7x −8y)
(7x +8y)(7x −8y)