If the sum of a number and its square is 306, What is the number?
Choose the correct choice from the following answers
A) 16	B) 77	C) 25	D) 17	E) 171
Explanation:   Let the integer be x.   Then, x + x2 = 306   x2 + x - 306 = 0   (x + 18) (x – 17) = 0   x = 17   ANSWER: 17
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If the sum of a number and its square is 306, What is the number?