Practice
Factor using Difference of Two Squares.a) 25x12 −64y4
(5x6 +8y2)(5x6 −8y2)
(5x6 +8y2)(5x6 −8y2)
b) 81x12 −196y2
(9x6 +14y)(9x6 −14y)
(9x6 +14y)(9x6 −14y)
c) 49x2 −4y8
(7x +2y4)(7x −2y4)
(7x +2y4)(7x −2y4)
d) 49x4 −25y2
(7x2 +5y)(7x2 −5y)
(7x2 +5y)(7x2 −5y)
e) 9x2 −4y2
(3x +2y)(3x −2y)
(3x +2y)(3x −2y)
f) 25x2 −36y2
(5x +6y)(5x −6y)
(5x +6y)(5x −6y)
g) 81x8 −169y2
(9x4 +13y)(9x4 −13y)
(9x4 +13y)(9x4 −13y)
h) 25x4 −9y2
(5x2 +3y)(5x2 −3y)
(5x2 +3y)(5x2 −3y)
i) 64x2 −25y2
(8x +5y)(8x −5y)
(8x +5y)(8x −5y)
j) 9x2 −196y2
(3x +14y)(3x −14y)
(3x +14y)(3x −14y)