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