If the sum of a number and its square is 132, then what is the number?
If the sum of a number and its square is 132, then what is the number?
Answer/Solution
11
Steps/Work
Explanation:
Let the number be x. Then,
x2 + x = 132
=> x2 + x - 132 = 0
=> (x + 12)(x - 11) = 0
=> x = 11
Answer: Option B
Let the number be x. Then,
x2 + x = 132
=> x2 + x - 132 = 0
=> (x + 12)(x - 11) = 0
=> x = 11
Answer: Option B