Question

Factorise the following:

5x³ – 80x

Answer 1

Given expression: 5x³ – 80x

Step-wise calculation:

1. Factor out the common factor 5x:

5x³ – 80x = 5x(x² – 16)

2. Recognize that x² – 16 is a difference of squares:

x² – 16 = (x – 4)(x + 4)