Question

Factorise (x-1)⁴ – x⁴​

Answer 1

Answer:

-(2x-1)(2x²-2x-1)

Step-by-step explanation:

(x-1)⁴-x⁴

{(x-1)²}²-(x²)²

{(x-1)²-x²}{(x-1)²+x²}

(x-1-x)(x-1+x)(x²-2x-1+x²)

-(2x-1)(2x²-2x-1)