Practice
Factor using Difference of Two Squares.a) 16x2 −25y2
(4x +5y)(4x −5y)
(4x +5y)(4x −5y)
b) 9x2 −121y8
(3x +11y4)(3x −11y4)
(3x +11y4)(3x −11y4)
c) 64x2 −9y2
(8x +3y)(8x −3y)
(8x +3y)(8x −3y)
d) 4x2 −225y2
(2x +15y)(2x −15y)
(2x +15y)(2x −15y)
e) 64x2 −225y12
(8x +15y6)(8x −15y6)
(8x +15y6)(8x −15y6)
f) 25x2 −16y2
(5x +4y)(5x −4y)
(5x +4y)(5x −4y)
g) 49x2 −9y2
(7x +3y)(7x −3y)
(7x +3y)(7x −3y)
h) 25x2 −64y2
(5x +8y)(5x −8y)
(5x +8y)(5x −8y)
i) 25x2 −196y2
(5x +14y)(5x −14y)
(5x +14y)(5x −14y)
j) 4x2 −25y2
(2x +5y)(2x −5y)
(2x +5y)(2x −5y)
