24-12-2020
Mathematics

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Can someone explain how to do this with explanations?

Can someone explain how to do this with explanations class=

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24-12-2020

Step-by-step explanation:

Profit = Revenue - cost

= 2x³ + 30x - 130 - [2x³ -3x -520]

= 2x³ + 30x - 130 -2x³ + 3x + 520

= 33x + 390

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