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