Practice
Factor using Difference of Two Squares.a) 64x4 −49y2
(8x2 +7y)(8x2 −7y)
(8x2 +7y)(8x2 −7y)
b) 64x2 −225y4
(8x +15y2)(8x −15y2)
(8x +15y2)(8x −15y2)
c) 25x2 −36y2
(5x +6y)(5x −6y)
(5x +6y)(5x −6y)
d) 25x2 −196y2
(5x +14y)(5x −14y)
(5x +14y)(5x −14y)
e) 64x2 −225y2
(8x +15y)(8x −15y)
(8x +15y)(8x −15y)
f) 36x4 −169y2
(6x2 +13y)(6x2 −13y)
(6x2 +13y)(6x2 −13y)
g) 64x2 −25y2
(8x +5y)(8x −5y)
(8x +5y)(8x −5y)
h) 9x2 −169y2
(3x +13y)(3x −13y)
(3x +13y)(3x −13y)
i) 25x4 −9y2
(5x2 +3y)(5x2 −3y)
(5x2 +3y)(5x2 −3y)
j) 64x4 −121y2
(8x2 +11y)(8x2 −11y)
(8x2 +11y)(8x2 −11y)