Problema Solution
When the sum of 327 and three times a positive number is subtracted from the square of the number, the result is 91. Find the number.
Answer provided by our tutors
x^2-327-3x=91
x^2-3x-418=0
(x + 19)(x - 22)=0
x=-19 or 22
as num is positive so answer will be 22