Question

Solve using the quadratic formula.
q2 + 69 + 9 = 0

Answer 1

the value of q = -3

Explanation:

The computation of the equation is shown below:

Given that

q^2 + 6q + 9 = 0

q^2 + 3q+ 3q + 9

q(q + 3) + 3(q + 3)

(q+3) (q+3)

q = -3

Hence, after solving it the value of q = -3