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


Practice

Factor using Difference of Two Squares.
a)    16x2 −225y2
(4x +15y)(4x −15y)

b)    49x4 −169y2
(7x2 +13y)(7x2 −13y)

c)    49x2 −4y8
(7x +2y4)(7x −2y4)

d)    49x2 −121y2
(7x +11y)(7x −11y)

e)    4x4 −49y4
(2x2 +7y2)(2x2 −7y2)

f)    4x2 −225y2
(2x +15y)(2x −15y)

g)    81x2 −121y2
(9x +11y)(9x −11y)

h)    81x4 −64y2
(9x2 +8y)(9x2 −8y)

i)    25x2 −169y2
(5x +13y)(5x −13y)

j)    81x2 −16y2
(9x +4y)(9x −4y)