Practice
Factor using Difference of Two Squares.a) 4x2 −25y2
(2x +5y)(2x −5y)
(2x +5y)(2x −5y)
b) 9x2 −100y4
(3x +10y2)(3x −10y2)
(3x +10y2)(3x −10y2)
c) 25x12 −121y2
(5x6 +11y)(5x6 −11y)
(5x6 +11y)(5x6 −11y)
d) 25x2 −16y2
(5x +4y)(5x −4y)
(5x +4y)(5x −4y)
e) 9x2 −169y2
(3x +13y)(3x −13y)
(3x +13y)(3x −13y)
f) 49x12 −100y2
(7x6 +10y)(7x6 −10y)
(7x6 +10y)(7x6 −10y)
g) 4x2 −81y2
(2x +9y)(2x −9y)
(2x +9y)(2x −9y)
h) 49x2 −64y2
(7x +8y)(7x −8y)
(7x +8y)(7x −8y)
i) 49x2 −100y2
(7x +10y)(7x −10y)
(7x +10y)(7x −10y)
j) 81x2 −169y2
(9x +13y)(9x −13y)
(9x +13y)(9x −13y)