How do you solve #9x^2+96x+256=0# by completing the square?
1 Answer
Begin by making the coefficient of
Explanation:
Divide both sides of the equation by 9:
Add
Set the middle term in the right side of the pattern,
Solve for a:
Substitute the left side of the pattern into the left side of the equation:
Substitute
Simplify the right side:
Use the square root on both sides:
Subtract