Practice
Factor using Difference of Two Squares.a) 64x2 −9
(8x +3)(8x −3)
(8x +3)(8x −3)
b) 4x2 −169
(2x +13)(2x −13)
(2x +13)(2x −13)
c) 25x2 −49
(5x +7)(5x −7)
(5x +7)(5x −7)
d) 49x2 −144
(7x +12)(7x −12)
(7x +12)(7x −12)
e) 49x2 −4
(7x +2)(7x −2)
(7x +2)(7x −2)
f) 9x2 −16
(3x +4)(3x −4)
(3x +4)(3x −4)
g) 36x2 −121
(6x +11)(6x −11)
(6x +11)(6x −11)
h) 4x2 −169
(2x +13)(2x −13)
(2x +13)(2x −13)
i) 81x4 −169
(9x2 +13)(9x2 −13)
(9x2 +13)(9x2 −13)
j) 49x2 −64
(7x +8)(7x −8)
(7x +8)(7x −8)