SOLUTION: Bob's Barber Shop estimates their gross revenue for the second quarter to be given by the polynomial 7x^3 - 9x^2 - 2x + 4. The shop estimated their cost for that quarter to be give
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Polynomials-and-rational-expressions
-> SOLUTION: Bob's Barber Shop estimates their gross revenue for the second quarter to be given by the polynomial 7x^3 - 9x^2 - 2x + 4. The shop estimated their cost for that quarter to be give
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Question 507465: Bob's Barber Shop estimates their gross revenue for the second quarter to be given by the polynomial 7x^3 - 9x^2 - 2x + 4. The shop estimated their cost for that quarter to be given by x^2 + 7x - 5. For the second quarter find and simplify a polynomial that will represnt their profit. Answer by nerdybill(7384) (Show Source):
You can put this solution on YOUR website! Bob's Barber Shop estimates their gross revenue for the second quarter to be given by the polynomial 7x^3 - 9x^2 - 2x + 4. The shop estimated their cost for that quarter to be given by x^2 + 7x - 5. For the second quarter find and simplify a polynomial that will represnt their profit.
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Profit is
"revenue" - "cost"
(7x^3 - 9x^2 - 2x + 4) - (x^2 + 7x - 5)
7x^3 - 9x^2 - 2x + 4 - x^2 - 7x + 5
7x^3 - 10x^2 - 2x + 4 - 7x + 5
7x^3 - 10x^2 - 9x + 4 + 5
7x^3 - 10x^2 - 9x + 9
