SOLUTION: The monthly profit P (in dollars) that Jim makes on the sale of x mobile homes is determined by the formula P = x2 + 5x � 50. Find the values of x for which Jim makes profit.

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Question 60126This question is from textbook Elementry and Intermediate Algebra
: The monthly profit P (in dollars) that Jim makes on the sale of x mobile homes is determined by the formula P = x2 + 5x � 50. Find the values of x for which Jim makes profit.
This question is from textbook Elementry and Intermediate Algebra

Answer by chitra(359) (Show Source):
You can put this solution on YOUR website!
Solution:

The Profit equation is given by:

P =

Hence, to know the values of "x", we shall solve the equation by the method of

factorization.

(x + 10) ( x - 5) = 0

x = -10 or x = 5

Since "x" cannot take negative values, the value of x = 5

Hence, Jim sells 5 mobiles to make the profit.