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