Practice
Factor using Difference of Two Squares.a) 64x2 −169y2
(8x +13y)(8x −13y)
(8x +13y)(8x −13y)
b) 25x12 −49y12
(5x6 +7y6)(5x6 −7y6)
(5x6 +7y6)(5x6 −7y6)
c) 64x12 −49y2
(8x6 +7y)(8x6 −7y)
(8x6 +7y)(8x6 −7y)
d) 49x8 −25y8
(7x4 +5y4)(7x4 −5y4)
(7x4 +5y4)(7x4 −5y4)
e) 25x8 −121y2
(5x4 +11y)(5x4 −11y)
(5x4 +11y)(5x4 −11y)
f) 81x2 −100y2
(9x +10y)(9x −10y)
(9x +10y)(9x −10y)
g) 16x2 −225y2
(4x +15y)(4x −15y)
(4x +15y)(4x −15y)
h) 81x2 −196y2
(9x +14y)(9x −14y)
(9x +14y)(9x −14y)
i) 49x2 −225y12
(7x +15y6)(7x −15y6)
(7x +15y6)(7x −15y6)
j) 49x2 −4y12
(7x +2y6)(7x −2y6)
(7x +2y6)(7x −2y6)
