Practice
Factor using Difference of Two Squares.a) 36x2 −25
(6x +5)(6x −5)
(6x +5)(6x −5)
b) 81x8 −121
(9x4 +11)(9x4 −11)
(9x4 +11)(9x4 −11)
c) 16x8 −9
(4x4 +3)(4x4 −3)
(4x4 +3)(4x4 −3)
d) 16x2 −121
(4x +11)(4x −11)
(4x +11)(4x −11)
e) 81x2 −121
(9x +11)(9x −11)
(9x +11)(9x −11)
f) 16x2 −25
(4x +5)(4x −5)
(4x +5)(4x −5)
g) 9x2 −196
(3x +14)(3x −14)
(3x +14)(3x −14)
h) 16x2 −25
(4x +5)(4x −5)
(4x +5)(4x −5)
i) 49x4 −16
(7x2 +4)(7x2 −4)
(7x2 +4)(7x2 −4)
j) 49x4 −169
(7x2 +13)(7x2 −13)
(7x2 +13)(7x2 −13)