Question

x2 + 2ax = 4 - a2?
If a is a constant and one were to solve the equation by completing the square on the left hand side of the
equation, what is the positive value of x + a?

Answer 1

x+a only

it's the correct answer

Answer 2

$a = \frac{1}{2} \\ \\ is \: the \: correct \: answer$