Practice
Factor using Difference of Two Squares.a) 49x2 −100y2
(7x +10y)(7x −10y)
(7x +10y)(7x −10y)
b) 36x4 −169y2
(6x2 +13y)(6x2 −13y)
(6x2 +13y)(6x2 −13y)
c) 36x2 −169y8
(6x +13y4)(6x −13y4)
(6x +13y4)(6x −13y4)
d) 64x2 −25y2
(8x +5y)(8x −5y)
(8x +5y)(8x −5y)
e) 25x8 −144y2
(5x4 +12y)(5x4 −12y)
(5x4 +12y)(5x4 −12y)
f) 64x2 −81y2
(8x +9y)(8x −9y)
(8x +9y)(8x −9y)
g) 81x2 −100y2
(9x +10y)(9x −10y)
(9x +10y)(9x −10y)
h) 49x2 −121y12
(7x +11y6)(7x −11y6)
(7x +11y6)(7x −11y6)
i) 25x2 −49y2
(5x +7y)(5x −7y)
(5x +7y)(5x −7y)
j) 49x2 −4y2
(7x +2y)(7x −2y)
(7x +2y)(7x −2y)