Question

Factorise and solve x^4- 16/81 =

Answer 1

Answer:

x^4-16/81

(x²)²-(4/9)²

using a²-b²=(a+b)(a-b)

(x²+4/9)(x²-4/9)

(x²+4/9)(x²-(2/3)²)

(x²+4/9)(x-2/3)(x+2/3)

Answer 2

Answer:

hope it works

Step-by-step explanation:

refer to the photo