How many zero pair must be added to the function f (x) = x>2-6x+1 in orders to begin writing the function In vertex form

TO write the function into vertex form, we need to add one zero and the solution is shown below:f (x) = x² - 6x + 1Add one zero in the form of - 9 and 9, such as:f (x) = x² - 6x + 1 - 9 + 9f (x) = (x² - 6x + 9) + (1-9) f (x) = (x-3) ² + (-8) f (x) = (x-3) ² - 8This is the vertex form of the given function and only one zero is being added.