Answer:
Step-by-step explanation:
If you're dividing x^2 - 16 by x - 4, please enclose the x - 4 inside parentheses. Thanks.
x^2 - 16 (x + 4)(x - 4)
--------------- = ------------------- = (x - 4) ONLY for x ≠ -4, because
x + 4 x + 4 division by zero is not defined.
