Question

Factorise the following:​

Answer 1

Answer:

(4x + 1) (16x² -4x +1)

Step-by-step explanation:

let a = 1 b = 4x

so using a³+b³ formula = (a+b) (a²-ab + b²)

1³+ (4x)³ = (1+4x) ( 1²- ( 1*4x) + (4x)²)

             = (4x + 1)(1 - 4x + 16x²)

             = (4x + 1)(16x² - 4x + 1)