Practice
Factor using Difference of Two Squares.a) 25x8 −9y4
(5x4 +3y2)(5x4 −3y2)
(5x4 +3y2)(5x4 −3y2)
b) 49x2 −100y2
(7x +10y)(7x −10y)
(7x +10y)(7x −10y)
c) 9x2 −169y2
(3x +13y)(3x −13y)
(3x +13y)(3x −13y)
d) 16x12 −81y2
(4x6 +9y)(4x6 −9y)
(4x6 +9y)(4x6 −9y)
e) 25x2 −36y12
(5x +6y6)(5x −6y6)
(5x +6y6)(5x −6y6)
f) 49x2 −36y2
(7x +6y)(7x −6y)
(7x +6y)(7x −6y)
g) 81x12 −49y2
(9x6 +7y)(9x6 −7y)
(9x6 +7y)(9x6 −7y)
h) 49x8 −64y2
(7x4 +8y)(7x4 −8y)
(7x4 +8y)(7x4 −8y)
i) 9x2 −196y2
(3x +14y)(3x −14y)
(3x +14y)(3x −14y)
j) 9x2 −4y2
(3x +2y)(3x −2y)
(3x +2y)(3x −2y)