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