If the sum of a number and its square is 72, what is the number?	Choose the correct choice from the following answers.
A) 15 B) 26 C) 8 D) 91 E) none of these
Let the number be x. Then,   x + x2 = 72   (x + 9)(x - 8) = 0   x = 8   ANSWER:8
<result>C</result>
If the sum of a number and its square is 72, what is the number?