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


Practice

Factor using Difference of Two Squares.
a)    4x2 −81y2
(2x +9y)(2x −9y)

b)    25x2 −16y2
(5x +4y)(5x −4y)

c)    16x2 −121y8
(4x +11y4)(4x −11y4)

d)    49x2 −169y2
(7x +13y)(7x −13y)

e)    81x2 −169y2
(9x +13y)(9x −13y)

f)    49x2 −121y12
(7x +11y6)(7x −11y6)

g)    64x2 −121y8
(8x +11y4)(8x −11y4)

h)    25x2 −49y2
(5x +7y)(5x −7y)

i)    81x2 −49y2
(9x +7y)(9x −7y)

j)    49x2 −121y2
(7x +11y)(7x −11y)