Practice
Factor using Difference of Two Squares.a) 16x8 −9y2
(4x4 +3y)(4x4 −3y)
(4x4 +3y)(4x4 −3y)
b) 64x2 −49y4
(8x +7y2)(8x −7y2)
(8x +7y2)(8x −7y2)
c) 9x12 −16y2
(3x6 +4y)(3x6 −4y)
(3x6 +4y)(3x6 −4y)
d) 25x4 −64y2
(5x2 +8y)(5x2 −8y)
(5x2 +8y)(5x2 −8y)
e) 9x8 −49y12
(3x4 +7y6)(3x4 −7y6)
(3x4 +7y6)(3x4 −7y6)
f) 81x2 −169y2
(9x +13y)(9x −13y)
(9x +13y)(9x −13y)
g) 81x2 −121y2
(9x +11y)(9x −11y)
(9x +11y)(9x −11y)
h) 49x2 −225y2
(7x +15y)(7x −15y)
(7x +15y)(7x −15y)
i) 49x8 −64y2
(7x4 +8y)(7x4 −8y)
(7x4 +8y)(7x4 −8y)
j) 16x2 −25y4
(4x +5y2)(4x −5y2)
(4x +5y2)(4x −5y2)