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