Practice
Factor using Difference of Two Squares.a) 16x2 −25y2
(4x +5y)(4x −5y)
(4x +5y)(4x −5y)
b) 49x2 −144y2
(7x +12y)(7x −12y)
(7x +12y)(7x −12y)
c) 4x4 −9y2
(2x2 +3y)(2x2 −3y)
(2x2 +3y)(2x2 −3y)
d) 16x2 −169y2
(4x +13y)(4x −13y)
(4x +13y)(4x −13y)
e) 9x2 −121y8
(3x +11y4)(3x −11y4)
(3x +11y4)(3x −11y4)
f) 16x8 −169y2
(4x4 +13y)(4x4 −13y)
(4x4 +13y)(4x4 −13y)
g) 4x2 −121y12
(2x +11y6)(2x −11y6)
(2x +11y6)(2x −11y6)
h) 25x4 −169y2
(5x2 +13y)(5x2 −13y)
(5x2 +13y)(5x2 −13y)
i) 16x2 −9y2
(4x +3y)(4x −3y)
(4x +3y)(4x −3y)
j) 25x2 −196y2
(5x +14y)(5x −14y)
(5x +14y)(5x −14y)