SOLUTION: The sum of a number and its square is 156 . Find the number
Algebra.Com
Question 794799: The sum of a number and its square is 156 . Find the number
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
A number = x
The sum of a number and its square is 156
x + x^2 = 156
x^2 + x - 156 = 0
(x - 12)(x + 13) = 0
x + 13 = 0
x = -13 (no answer as x <0)
x - 12 = 0
x = 12
The number is 12.
Hope this helps.
:-)
RELATED QUESTIONS
The sum of a number and its square is 156. What is the... (answered by bebedeeb)
If a number is added to its square, the sum is 156. Find the number.
&
One number... (answered by Cintchr)
The sum of a number and its square is 12. Find the... (answered by stanbon)
The sum of a number and its square is 72. Find the... (answered by Fombitz)
The sum of a number and its square is 6. Find the... (answered by scott8148)
The sum of a number and its square is 182. Find the... (answered by user_dude2008)
the sum of a number and its square is 90. Find the... (answered by Alan3354)
The sum of a number and twice its square is 105. Find the... (answered by mananth)
The sum of a number and its square is 72. Find the... (answered by edjones)