abcd Factoring Using Difference of Two Squares(L3)
Factoring Using Difference of Two Squares(L3)


Practice

Factor using Difference of Two Squares.
a)    81x2 −16y4
(9x +4y2)(9x −4y2)

b)    25x2 −121y2
(5x +11y)(5x −11y)

c)    64x2 −9y2
(8x +3y)(8x −3y)

d)    25x2 −49y2
(5x +7y)(5x −7y)

e)    64x4 −121y2
(8x2 +11y)(8x2 −11y)

f)    49x2 −81y2
(7x +9y)(7x −9y)

g)    81x2 −169y2
(9x +13y)(9x −13y)

h)    81x2 −49y2
(9x +7y)(9x −7y)

i)    16x2 −49y12
(4x +7y6)(4x −7y6)

j)    49x8 −25y2
(7x4 +5y)(7x4 −5y)