Practice
Factor using Difference of Two Squares.a) 9x2 −121y2
(3x +11y)(3x −11y)
(3x +11y)(3x −11y)
b) 36x2 −49y12
(6x +7y6)(6x −7y6)
(6x +7y6)(6x −7y6)
c) 25x2 −144y2
(5x +12y)(5x −12y)
(5x +12y)(5x −12y)
d) 16x2 −9y2
(4x +3y)(4x −3y)
(4x +3y)(4x −3y)
e) 4x2 −49y2
(2x +7y)(2x −7y)
(2x +7y)(2x −7y)
f) 64x2 −121y8
(8x +11y4)(8x −11y4)
(8x +11y4)(8x −11y4)
g) 4x2 −9y2
(2x +3y)(2x −3y)
(2x +3y)(2x −3y)
h) 49x2 −4y2
(7x +2y)(7x −2y)
(7x +2y)(7x −2y)
i) 81x2 −64y12
(9x +8y6)(9x −8y6)
(9x +8y6)(9x −8y6)
j) 9x2 −25y4
(3x +5y2)(3x −5y2)
(3x +5y2)(3x −5y2)