If the sum of a number and its square is 342, What is the number?
Choose the correct option
A) 16  B) 77  C) 25  D) 87  E) 18
Explanation:   Let the integer be x.   Then, x + x2 = 342   x2 + x - 342 = 0   (x + 19) (x – 18) = 0   x = 18   ANSW18R: 18
<result>E</result>
If the sum of a number and its square is 342, What is the number?