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


Practice

Factor using Difference of Two Squares.
a)    9x2 −121y2
(3x +11y)(3x −11y)

b)    4x2 −81y8
(2x +9y4)(2x −9y4)

c)    25x2 −49y2
(5x +7y)(5x −7y)

d)    81x2 −169y2
(9x +13y)(9x −13y)

e)    36x2 −169y2
(6x +13y)(6x −13y)

f)    49x2 −121y2
(7x +11y)(7x −11y)

g)    49x2 −225y2
(7x +15y)(7x −15y)

h)    25x2 −144y4
(5x +12y2)(5x −12y2)

i)    49x2 −144y2
(7x +12y)(7x −12y)

j)    4x2 −49y2
(2x +7y)(2x −7y)