Practice
Factor using Difference of Two Squares.a) 16x4 −225y2
(4x2 +15y)(4x2 −15y)
(4x2 +15y)(4x2 −15y)
b) 16x12 −225y2
(4x6 +15y)(4x6 −15y)
(4x6 +15y)(4x6 −15y)
c) 4x8 −9y12
(2x4 +3y6)(2x4 −3y6)
(2x4 +3y6)(2x4 −3y6)
d) 4x4 −81y2
(2x2 +9y)(2x2 −9y)
(2x2 +9y)(2x2 −9y)
e) 49x4 −4y2
(7x2 +2y)(7x2 −2y)
(7x2 +2y)(7x2 −2y)
f) 64x12 −169y2
(8x6 +13y)(8x6 −13y)
(8x6 +13y)(8x6 −13y)
g) 25x2 −36y2
(5x +6y)(5x −6y)
(5x +6y)(5x −6y)
h) 81x4 −16y2
(9x2 +4y)(9x2 −4y)
(9x2 +4y)(9x2 −4y)
i) 49x2 −81y2
(7x +9y)(7x −9y)
(7x +9y)(7x −9y)
j) 9x2 −4y2
(3x +2y)(3x −2y)
(3x +2y)(3x −2y)