Practice
Factor using Difference of Two Squares.a) 36x2 −169
(6x +13)(6x −13)
(6x +13)(6x −13)
b) 9x2 −64
(3x +8)(3x −8)
(3x +8)(3x −8)
c) 4x4 −25
(2x2 +5)(2x2 −5)
(2x2 +5)(2x2 −5)
d) 25x4 −64
(5x2 +8)(5x2 −8)
(5x2 +8)(5x2 −8)
e) 64x2 −49
(8x +7)(8x −7)
(8x +7)(8x −7)
f) 25x2 −81
(5x +9)(5x −9)
(5x +9)(5x −9)
g) 49x2 −4
(7x +2)(7x −2)
(7x +2)(7x −2)
h) 64x4 −169
(8x2 +13)(8x2 −13)
(8x2 +13)(8x2 −13)
i) 49x2 −144
(7x +12)(7x −12)
(7x +12)(7x −12)
j) 81x8 −121
(9x4 +11)(9x4 −11)
(9x4 +11)(9x4 −11)