Question

Q1 What would you add to both sides of the equation in order to

solve the quadratic equation by completing the square?
a² - 5a = -4

Answer 1

See below

Explanation:

Take 1/2 of the 'a' coefficient, square it and add it

a^2 -5a + (-2.5)^2 = -4 +(- 2.5^2)

(a - 2.5)^2 = 2.25