312,026 views
29 votes
29 votes
Solve the quadratic equation by completing the square.x² - 6x- 5=0First, choose the appropriate form and fill in the blanks with the correct numbers.Then, solve the equation. If there is more than one solution, separate them with commas.Im

Solve the quadratic equation by completing the square.x² - 6x- 5=0First, choose the-example-1
User Feryt
by
2.6k points

1 Answer

13 votes
13 votes

The given quadratic can be solved bt completing the square as,


\begin{gathered} x^2-6x-5=0 \\ x^2-2(3)x+3^2-3^2-5=0 \\ (x-3)^2=14 \\ x-3=\pm\sqrt[]{14} \\ x=3\pm\sqrt[]{\text{ 14}} \\ x=3\pm3.74 \\ x=6.74,-0.74 \end{gathered}

Thus, the above values are the solution.

User Apeirogon Prime
by
2.8k points