Practice
Factor using Difference of Two Squares.a) 25x12 −4y2
(5x6 +2y)(5x6 −2y)
(5x6 +2y)(5x6 −2y)
b) 36x12 −169y12
(6x6 +13y6)(6x6 −13y6)
(6x6 +13y6)(6x6 −13y6)
c) 25x2 −9y8
(5x +3y4)(5x −3y4)
(5x +3y4)(5x −3y4)
d) 49x2 −4y2
(7x +2y)(7x −2y)
(7x +2y)(7x −2y)
e) 49x2 −144y8
(7x +12y4)(7x −12y4)
(7x +12y4)(7x −12y4)
f) 9x2 −16y2
(3x +4y)(3x −4y)
(3x +4y)(3x −4y)
g) 64x4 −49y2
(8x2 +7y)(8x2 −7y)
(8x2 +7y)(8x2 −7y)
h) 36x2 −49y2
(6x +7y)(6x −7y)
(6x +7y)(6x −7y)
i) 16x2 −49y2
(4x +7y)(4x −7y)
(4x +7y)(4x −7y)
j) 64x2 −9y2
(8x +3y)(8x −3y)
(8x +3y)(8x −3y)
