Practice
Factor using Difference of Two Squares.a) 64x2 −9
(8x +3)(8x −3)
(8x +3)(8x −3)
b) 25x2 −144
(5x +12)(5x −12)
(5x +12)(5x −12)
c) 16x2 −81
(4x +9)(4x −9)
(4x +9)(4x −9)
d) 9x4 −16
(3x2 +4)(3x2 −4)
(3x2 +4)(3x2 −4)
e) 64x2 −25
(8x +5)(8x −5)
(8x +5)(8x −5)
f) 81x2 −16
(9x +4)(9x −4)
(9x +4)(9x −4)
g) 25x4 −4
(5x2 +2)(5x2 −2)
(5x2 +2)(5x2 −2)
h) 81x2 −196
(9x +14)(9x −14)
(9x +14)(9x −14)
i) 25x2 −16
(5x +4)(5x −4)
(5x +4)(5x −4)
j) 25x2 −36
(5x +6)(5x −6)
(5x +6)(5x −6)