Chapter 9 - Quadratic Functions and Equations - 9-3 Solving Quadratic Equations - Practice and Problem-Solving Exercises - Page 551: 34

2 Solutions

First step is to add 18 to both sides $$c^2 = 27$$ Since all that is left to do is to find the square root of both sides and the number on the right side of the equation is a number greater than 0 then this question has 2 solutions.