chuabaka chuabaka

27-01-2021
Mathematics

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ChoiSungHyun ChoiSungHyun

27-01-2021

Step-by-step explanation:

-2x² + 5x - 3 - (-7 - 9x + 5x²)

= -2x² + 5x - 3 + 7 + 9x - 5x²

= -7x² + 14x + 4.

Hence the coefficient of the x term is 14.

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