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