Practice
Factor using Difference of Two Squares.a) 9x8 −4
(3x4 +2)(3x4 −2)
(3x4 +2)(3x4 −2)
b) 4x2 −121
(2x +11)(2x −11)
(2x +11)(2x −11)
c) 49x2 −225
(7x +15)(7x −15)
(7x +15)(7x −15)
d) 49x2 −121
(7x +11)(7x −11)
(7x +11)(7x −11)
e) 16x2 −81
(4x +9)(4x −9)
(4x +9)(4x −9)
f) 64x4 −25
(8x2 +5)(8x2 −5)
(8x2 +5)(8x2 −5)
g) 81x2 −64
(9x +8)(9x −8)
(9x +8)(9x −8)
h) 36x2 −169
(6x +13)(6x −13)
(6x +13)(6x −13)
i) 9x2 −196
(3x +14)(3x −14)
(3x +14)(3x −14)
j) 25x2 −196
(5x +14)(5x −14)
(5x +14)(5x −14)