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)    49x2 −81y2
(7x +9y)(7x −9y)

c)    16x8 −49y2
(4x4 +7y)(4x4 −7y)

d)    4x4 −25y2
(2x2 +5y)(2x2 −5y)

e)    9x2 −64y12
(3x +8y6)(3x −8y6)

f)    25x12 −196y2
(5x6 +14y)(5x6 −14y)

g)    81x8 −64y2
(9x4 +8y)(9x4 −8y)

h)    25x4 −36y2
(5x2 +6y)(5x2 −6y)

i)    49x2 −4y12
(7x +2y6)(7x −2y6)

j)    64x2 −25y4
(8x +5y2)(8x −5y2)