Question

Find the product 24x2 (1-2x) and evaluate its value for x = 3

Answer 1

Let we solve,

= 24x2 (1 – 2x)

= (24x2× 1) – (24x2× 2x)

= 24x2 – 48x3

Now let us evaluate the expression when x = 3

= 24x2 – 48x3

= 24 × (3)2 – 48 × (3)3

= 24 × (9) – 48 × (27)

= 216 – 1296

= -1080