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


Practice

Factor using Difference of Two Squares.
a)    81x2 −25
(9x +5)(9x −5)

b)    9x2 −100
(3x +10)(3x −10)

c)    25x2 −36
(5x +6)(5x −6)

d)    64x2 −49
(8x +7)(8x −7)

e)    81x4 −121
(9x2 +11)(9x2 −11)

f)    4x2 −49
(2x +7)(2x −7)

g)    49x4 −225
(7x2 +15)(7x2 −15)

h)    4x4 −25
(2x2 +5)(2x2 −5)

i)    4x2 −121
(2x +11)(2x −11)

j)    81x2 −100
(9x +10)(9x −10)