Home > CCA2 > Chapter 4 > Lesson 4.2.1 > Problem 4-70
4-70.
Using the technique of completing the square, solve
See the Math Notes box in Lesson 2.1.4 for help with completing the square. Also see problem 3-117.
What steps were used to obtain this equation?
Now solve the equation.
Take the square root of both sides.
Subtract
Simplify your answer.
Since the original equation had an