linear and quadratic equations
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Charlie cannot remember how much he financed to buy his car. He does remember that his monthly payment is $300. His add-on interest rate was 15% for 30 payments. Find the amount of his loan to the nearest penny.
Also...
Solve the equation using the quadratic formula. Give only read number solutions. 3x(x+3)=-4
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Solution Summary
The solution shows how to calculate the original loan sum and then shows how to solve a quadratic equation
Solution Preview
Hello and thank you for posting your questions to Brainmass.
Let x be the original loan.
The total payments Charlie made are equivalent to 15% add-on to the original loan.
Thus, the total of the payments charlie made should be x + ...
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