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