Question

Which of the given expressions results in 0 when evaluated at x = 5?
A.
(x + 7)(x − 2)
B.
(x + 5)(x − 8)
C.
(x − 8)(x − 5)
D.
5x(x − 7)

Answer 1

The answer is C. 5-8 is -3. 5-5 is 0. When you multiply -3 by 0 the outcome is 0!