Solve the following equation by factorization: (x + 3)(x - 3) = 27

Given, ⇒ (x + 3)(x - 3) = 27 ⇒ (x)2 - (3)2 = 27 ⇒ x2 - 9 = 27 ⇒ x2 = 27 + 9 ⇒ x2 = 36 ⇒ x = ⇒ x = 6 Hence, x = {6, -6}.

Solve the following equation by factorization:
x² + 17 = 18x