Practice
Factor using Difference of Two Squares.a) 49x12 −225y2
(7x6 +15y)(7x6 −15y)
(7x6 +15y)(7x6 −15y)
b) 25x2 −9y2
(5x +3y)(5x −3y)
(5x +3y)(5x −3y)
c) 81x2 −196y2
(9x +14y)(9x −14y)
(9x +14y)(9x −14y)
d) 36x12 −49y8
(6x6 +7y4)(6x6 −7y4)
(6x6 +7y4)(6x6 −7y4)
e) 49x2 −100y4
(7x +10y2)(7x −10y2)
(7x +10y2)(7x −10y2)
f) 9x8 −121y2
(3x4 +11y)(3x4 −11y)
(3x4 +11y)(3x4 −11y)
g) 16x2 −225y2
(4x +15y)(4x −15y)
(4x +15y)(4x −15y)
h) 64x8 −9y2
(8x4 +3y)(8x4 −3y)
(8x4 +3y)(8x4 −3y)
i) 81x2 −100y2
(9x +10y)(9x −10y)
(9x +10y)(9x −10y)
j) 9x2 −64y2
(3x +8y)(3x −8y)
(3x +8y)(3x −8y)