Practice
Factor using Difference of Two Squares.a) 16x2 −169
(4x +13)(4x −13)
(4x +13)(4x −13)
b) 64x2 −121
(8x +11)(8x −11)
(8x +11)(8x −11)
c) 25x4 −16
(5x2 +4)(5x2 −4)
(5x2 +4)(5x2 −4)
d) 25x2 −49
(5x +7)(5x −7)
(5x +7)(5x −7)
e) 9x2 −64
(3x +8)(3x −8)
(3x +8)(3x −8)
f) 81x2 −169
(9x +13)(9x −13)
(9x +13)(9x −13)
g) 9x2 −196
(3x +14)(3x −14)
(3x +14)(3x −14)
h) 36x2 −121
(6x +11)(6x −11)
(6x +11)(6x −11)
i) 25x2 −144
(5x +12)(5x −12)
(5x +12)(5x −12)
j) 16x4 −9
(4x2 +3)(4x2 −3)
(4x2 +3)(4x2 −3)