Question

Find the following products (a+1)(a-1) (ii) (d+8)(d+8) (iii)(x-3)(x-3)

Answer 1

Answer :

(i) (a+1)(a-1) = a²-1² = a²-1

(ii) (d+8)(d+8) = (d+8)² = d² + 16d + 64

(iii) (x-3)(x-3) = (x-3)² = x² - 6x + 9