Question

Lie is solving the quadratic equation by completing the square.

3x2 + 18x – 8 = 0

3x2 + 18x = 8

What should Lie do next?

Write the polynomial as a binomial squared.
Factor 3 out of the variable terms.
Isolate the variable x.
Add 8 to both sides of the equation.

Answer 1

Factor 3 out of the variable terms.

Explanation:

To complete the square the coefficient on the x^2 term must be 1

Therefor

Factor 3 out of the variable terms.

Answer 2

Factor 3 out of the variable terms