Practice
Factor using Difference of Two Squares.a) 25x2 −144y8
(5x +12y4)(5x −12y4)
(5x +12y4)(5x −12y4)
b) 16x2 −169y2
(4x +13y)(4x −13y)
(4x +13y)(4x −13y)
c) 9x2 −49y2
(3x +7y)(3x −7y)
(3x +7y)(3x −7y)
d) 4x8 −169y2
(2x4 +13y)(2x4 −13y)
(2x4 +13y)(2x4 −13y)
e) 49x2 −64y2
(7x +8y)(7x −8y)
(7x +8y)(7x −8y)
f) 49x2 −4y8
(7x +2y4)(7x −2y4)
(7x +2y4)(7x −2y4)
g) 49x2 −144y2
(7x +12y)(7x −12y)
(7x +12y)(7x −12y)
h) 16x2 −169y2
(4x +13y)(4x −13y)
(4x +13y)(4x −13y)
i) 9x2 −49y2
(3x +7y)(3x −7y)
(3x +7y)(3x −7y)
j) 4x2 −225y2
(2x +15y)(2x −15y)
(2x +15y)(2x −15y)