Practice
Factor using Difference of Two Squares.a) 9x2 −16
(3x +4)(3x −4)
(3x +4)(3x −4)
b) 25x2 −144
(5x +12)(5x −12)
(5x +12)(5x −12)
c) 64x2 −169
(8x +13)(8x −13)
(8x +13)(8x −13)
d) 81x2 −64
(9x +8)(9x −8)
(9x +8)(9x −8)
e) 81x2 −121
(9x +11)(9x −11)
(9x +11)(9x −11)
f) 25x8 −4
(5x4 +2)(5x4 −2)
(5x4 +2)(5x4 −2)
g) 81x2 −196
(9x +14)(9x −14)
(9x +14)(9x −14)
h) 16x2 −169
(4x +13)(4x −13)
(4x +13)(4x −13)
i) 16x2 −225
(4x +15)(4x −15)
(4x +15)(4x −15)
j) 25x2 −4
(5x +2)(5x −2)
(5x +2)(5x −2)