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Find the balance at the end of 4 years if 1000 is deposited at the rate of

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x