Is 2y-5+3y to the second power a polynomial

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sherlock19

10.01.2023

Mathematics

Step-by-step explanation:

$162x - 3 \times 4 - 2x = 42 \\ \\ 162x - 12 - 2x = 42 \\ \\ 160x = 54 \\ \\ x = \dfrac{80}{27} = 2 \dfrac{26}{27}$

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