Which of the following statements is true about completing the square?(1 point)
Responses
When completing the square, add the square of half the coefficient of x to the x2+bx side of the equation
When completing the square, add the square of half the coefficient of x to both sides of the equation.
When completing the square, add half the coefficient of x to both sides of the equation.
When completing the square, subtract the square of half the coefficient of x from both sides of the equation.