Question 949587
If the square of a positive number is increased by the number, the result is 12. What is the number ?
n= the number
{{{n^2+n=12}}} Subtract 12 from each side.
{{{n^2+n-12=0}}}*[invoke quadratic "n", 1, 1, -12 ]
ANSWER: Since we are looking for a positive number, the answer is 3
CHECK:
{{{n^2+n=12}}}
{{{3^2+3=12}}}
{{{9+3=12}}}
{{{12=12}}}