Practice
Factor using Difference of Two Squares.a) 25x2 −4y2
(5x +2y)(5x −2y)
(5x +2y)(5x −2y)
b) 49x12 −121y2
(7x6 +11y)(7x6 −11y)
(7x6 +11y)(7x6 −11y)
c) 64x2 −9y2
(8x +3y)(8x −3y)
(8x +3y)(8x −3y)
d) 36x12 −25y2
(6x6 +5y)(6x6 −5y)
(6x6 +5y)(6x6 −5y)
e) 25x2 −64y2
(5x +8y)(5x −8y)
(5x +8y)(5x −8y)
f) 49x2 −9y2
(7x +3y)(7x −3y)
(7x +3y)(7x −3y)
g) 25x2 −49y12
(5x +7y6)(5x −7y6)
(5x +7y6)(5x −7y6)
h) 49x8 −16y2
(7x4 +4y)(7x4 −4y)
(7x4 +4y)(7x4 −4y)
i) 49x2 −121y2
(7x +11y)(7x −11y)
(7x +11y)(7x −11y)
j) 4x2 −9y4
(2x +3y2)(2x −3y2)
(2x +3y2)(2x −3y2)