abcd Factoring - Difference Two Squares(L2)
Factoring - Difference Two Squares(L2)


Practice

Factor using Difference of Two Squares.
a)    9x4 −25
(3x2 +5)(3x2 −5)

b)    49x2 −4
(7x +2)(7x −2)

c)    81x2 −196
(9x +14)(9x −14)

d)    9x2 −49
(3x +7)(3x −7)

e)    9x8 −25
(3x4 +5)(3x4 −5)

f)    9x2 −16
(3x +4)(3x −4)

g)    81x2 −4
(9x +2)(9x −2)

h)    4x2 −81
(2x +9)(2x −9)

i)    81x2 −49
(9x +7)(9x −7)

j)    36x2 −121
(6x +11)(6x −11)