Practice
Factor using Difference of Two Squares.a) 16x2 −121y2
(4x +11y)(4x −11y)
(4x +11y)(4x −11y)
b) 4x12 −25y2
(2x6 +5y)(2x6 −5y)
(2x6 +5y)(2x6 −5y)
c) 49x2 −64y2
(7x +8y)(7x −8y)
(7x +8y)(7x −8y)
d) 9x8 −64y2
(3x4 +8y)(3x4 −8y)
(3x4 +8y)(3x4 −8y)
e) 81x8 −169y12
(9x4 +13y6)(9x4 −13y6)
(9x4 +13y6)(9x4 −13y6)
f) 4x2 −9y2
(2x +3y)(2x −3y)
(2x +3y)(2x −3y)
g) 49x2 −225y12
(7x +15y6)(7x −15y6)
(7x +15y6)(7x −15y6)
h) 4x2 −9y8
(2x +3y4)(2x −3y4)
(2x +3y4)(2x −3y4)
i) 36x12 −49y2
(6x6 +7y)(6x6 −7y)
(6x6 +7y)(6x6 −7y)
j) 25x2 −121y2
(5x +11y)(5x −11y)
(5x +11y)(5x −11y)