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