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