Practice
Factor using Difference of Two Squares.a) 25x2 −196
(5x +14)(5x −14)
(5x +14)(5x −14)
b) 81x8 −169
(9x4 +13)(9x4 −13)
(9x4 +13)(9x4 −13)
c) 9x8 −16
(3x4 +4)(3x4 −4)
(3x4 +4)(3x4 −4)
d) 81x2 −16
(9x +4)(9x −4)
(9x +4)(9x −4)
e) 64x2 −9
(8x +3)(8x −3)
(8x +3)(8x −3)
f) 49x8 −64
(7x4 +8)(7x4 −8)
(7x4 +8)(7x4 −8)
g) 16x2 −121
(4x +11)(4x −11)
(4x +11)(4x −11)
h) 49x2 −9
(7x +3)(7x −3)
(7x +3)(7x −3)
i) 64x2 −169
(8x +13)(8x −13)
(8x +13)(8x −13)
j) 49x2 −100
(7x +10)(7x −10)
(7x +10)(7x −10)