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judyd452
21.04.2021 •
Mathematics
How much interest is earned on a principal of $316 invested at an interest rate of 9% compounded annually for four years?
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Ответ:
x^2+6x-15
Step-by-step explanation:
(3x^2+2x-8)-(2x^2-4x+7)
=3x^2+2x-8-2x^2+4x-7
=x^2+6x-15