Practice
Factor using Difference of Two Squares.a) 64x2 −9y2
(8x +3y)(8x −3y)
(8x +3y)(8x −3y)
b) 49x2 −25y8
(7x +5y4)(7x −5y4)
(7x +5y4)(7x −5y4)
c) 64x2 −25y12
(8x +5y6)(8x −5y6)
(8x +5y6)(8x −5y6)
d) 25x2 −81y2
(5x +9y)(5x −9y)
(5x +9y)(5x −9y)
e) 16x8 −49y2
(4x4 +7y)(4x4 −7y)
(4x4 +7y)(4x4 −7y)
f) 49x2 −225y2
(7x +15y)(7x −15y)
(7x +15y)(7x −15y)
g) 49x2 −25y2
(7x +5y)(7x −5y)
(7x +5y)(7x −5y)
h) 4x2 −25y2
(2x +5y)(2x −5y)
(2x +5y)(2x −5y)
i) 49x2 −25y2
(7x +5y)(7x −5y)
(7x +5y)(7x −5y)
j) 81x2 −100y2
(9x +10y)(9x −10y)
(9x +10y)(9x −10y)