Problema Solution
The product of a positive number increased by 5 and the number decreased by 2 is 8. What is the number?
Answer provided by our tutors
let x represent the number and x>0
(x + 5)(x - 2) = 8
by solving we find to solutions:
x1 = 3
x2 = - 6
click here to see the step by step solution of the quadratic equation:
we need only the positive thus the number is 3.