Practice
Factor using Difference of Two Squares.a) 81x8 −121y2
(9x4 +11y)(9x4 −11y)
(9x4 +11y)(9x4 −11y)
b) 25x2 −144y2
(5x +12y)(5x −12y)
(5x +12y)(5x −12y)
c) 64x8 −9y2
(8x4 +3y)(8x4 −3y)
(8x4 +3y)(8x4 −3y)
d) 81x2 −196y2
(9x +14y)(9x −14y)
(9x +14y)(9x −14y)
e) 81x2 −100y12
(9x +10y6)(9x −10y6)
(9x +10y6)(9x −10y6)
f) 49x2 −100y2
(7x +10y)(7x −10y)
(7x +10y)(7x −10y)
g) 49x2 −64y2
(7x +8y)(7x −8y)
(7x +8y)(7x −8y)
h) 9x4 −169y2
(3x2 +13y)(3x2 −13y)
(3x2 +13y)(3x2 −13y)
i) 16x2 −81y12
(4x +9y6)(4x −9y6)
(4x +9y6)(4x −9y6)
j) 9x12 −121y12
(3x6 +11y6)(3x6 −11y6)
(3x6 +11y6)(3x6 −11y6)