a. When solving a rational equation, why it is OK to remove the denominator by multiplying both sides by the LCD and why can you not do the same operation when simplifying a rational expression? Please share an example.
b. Quadratic Formula versus Completing the Square
Solve the equation x^2 + 8x - 2 = 0 using both
(1) The quadratic formula
(2) Completing the square comparing and contrasting the two methods. Explain the method that you prefer and why.