Practice
Factor using Difference of Two Squares.a) 25x2 −169y2
(5x +13y)(5x −13y)
(5x +13y)(5x −13y)
b) 25x2 −169y12
(5x +13y6)(5x −13y6)
(5x +13y6)(5x −13y6)
c) 25x8 −121y2
(5x4 +11y)(5x4 −11y)
(5x4 +11y)(5x4 −11y)
d) 64x2 −9y2
(8x +3y)(8x −3y)
(8x +3y)(8x −3y)
e) 25x2 −196y2
(5x +14y)(5x −14y)
(5x +14y)(5x −14y)
f) 81x2 −49y2
(9x +7y)(9x −7y)
(9x +7y)(9x −7y)
g) 25x4 −81y4
(5x2 +9y2)(5x2 −9y2)
(5x2 +9y2)(5x2 −9y2)
h) 9x2 −169y2
(3x +13y)(3x −13y)
(3x +13y)(3x −13y)
i) 49x2 −25y2
(7x +5y)(7x −5y)
(7x +5y)(7x −5y)
j) 9x2 −25y2
(3x +5y)(3x −5y)
(3x +5y)(3x −5y)