Question

1) Expansion of (x+4) (x-4).​

Answer 1

Step-by-step explanation:

use (a+b)(a-b) = a^2-b^2

(x+4)(x-4)= x^2 - 4^2

= x^2 - 16 ans...

Answer 2

Answer:

x

$x {}^{2} - 4 { }^{2} = x {}^{2} - 16$