Practice
Factor using Difference of Two Squares.a) 25x8 −36y2
(5x4 +6y)(5x4 −6y)
(5x4 +6y)(5x4 −6y)
b) 49x8 −25y8
(7x4 +5y4)(7x4 −5y4)
(7x4 +5y4)(7x4 −5y4)
c) 49x2 −144y2
(7x +12y)(7x −12y)
(7x +12y)(7x −12y)
d) 25x2 −49y2
(5x +7y)(5x −7y)
(5x +7y)(5x −7y)
e) 49x2 −64y2
(7x +8y)(7x −8y)
(7x +8y)(7x −8y)
f) 49x2 −9y8
(7x +3y4)(7x −3y4)
(7x +3y4)(7x −3y4)
g) 25x2 −64y4
(5x +8y2)(5x −8y2)
(5x +8y2)(5x −8y2)
h) 81x2 −16y2
(9x +4y)(9x −4y)
(9x +4y)(9x −4y)
i) 25x2 −121y8
(5x +11y4)(5x −11y4)
(5x +11y4)(5x −11y4)
j) 25x2 −9y2
(5x +3y)(5x −3y)
(5x +3y)(5x −3y)