Practice
Factor using Difference of Two Squares.a) 36x2 −25y2
(6x +5y)(6x −5y)
(6x +5y)(6x −5y)
b) 81x4 −49y2
(9x2 +7y)(9x2 −7y)
(9x2 +7y)(9x2 −7y)
c) 16x12 −225y2
(4x6 +15y)(4x6 −15y)
(4x6 +15y)(4x6 −15y)
d) 25x2 −16y4
(5x +4y2)(5x −4y2)
(5x +4y2)(5x −4y2)
e) 4x12 −81y2
(2x6 +9y)(2x6 −9y)
(2x6 +9y)(2x6 −9y)
f) 81x4 −100y12
(9x2 +10y6)(9x2 −10y6)
(9x2 +10y6)(9x2 −10y6)
g) 9x2 −121y2
(3x +11y)(3x −11y)
(3x +11y)(3x −11y)
h) 25x12 −64y2
(5x6 +8y)(5x6 −8y)
(5x6 +8y)(5x6 −8y)
i) 25x2 −196y2
(5x +14y)(5x −14y)
(5x +14y)(5x −14y)
j) 4x8 −81y2
(2x4 +9y)(2x4 −9y)
(2x4 +9y)(2x4 −9y)