If the sum of a number and its square is 20, what is the number? Select
A) 15	B) 26	C) 28	D) 4	E) none of these
Let the number be x. Then,   x + x2 = 20   (x + 5)(x - 4) = 0   x = 4   ANSWER:4
<result>D</result>
If the sum of a number and its square is 20, what is the number?