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