Complete the Square to Find Solutions Practice Test

Derive the quadratic formula by completing the square on the general quadratic equation $$ax^2 + bx + c = 0 \quad(a \ne 0).$$ Which expression for $x$ results?

Solve by completing the square:

$$x^2 - 8x + 5 = 0$$

Write it in the form $(x - p)^2 = q$ and solve for $x$.