Question

Solve the equation x2 - 4x + 13 by factorisation method​

Answer 1

Step-by-step explanation:

x² - 4x + 13 = x² - 4x + 4 + 9

= (x - 2)² - 9i²

= (x - 2)² - (3i)²

= (x - 2 - 3i)(x - 2 + 3i)

the zeroes of x² - 4x + 13 are 2 + 3i and 2 - 3i.