For all integers a and b, a%b = (a + b)(a - b). If 4%x = 12, then which of the following could be a value of x?	Choose the correct choice from the following answers.
A) -4 B) -3 C) 2 D) 3 E) 6
4%x = (4+x)(4-x)   16-x^2 = 12   x^2 = 4   x=-2,2   Ans: 2
<result>C</result>
For all integers a and b, a%b = (a + b)(a - b). If 4%x = 12, then which of the following could be a value of x?