Practice
Factor using Difference of Two Squares.a) 9x2 −64
(3x +8)(3x −8)
(3x +8)(3x −8)
b) 25x2 −144
(5x +12)(5x −12)
(5x +12)(5x −12)
c) 81x2 −4
(9x +2)(9x −2)
(9x +2)(9x −2)
d) 16x2 −81
(4x +9)(4x −9)
(4x +9)(4x −9)
e) 49x2 −225
(7x +15)(7x −15)
(7x +15)(7x −15)
f) 81x4 −169
(9x2 +13)(9x2 −13)
(9x2 +13)(9x2 −13)
g) 64x4 −169
(8x2 +13)(8x2 −13)
(8x2 +13)(8x2 −13)
h) 4x2 −9
(2x +3)(2x −3)
(2x +3)(2x −3)
i) 64x2 −49
(8x +7)(8x −7)
(8x +7)(8x −7)
j) 9x8 −16
(3x4 +4)(3x4 −4)
(3x4 +4)(3x4 −4)