algebra help

The revenue for selling y units is R=3y^2-2y+5 and The cost of producing y units is C=y^2+y-3 . Find the expression that represents profit.
can someone explain to me how to solve problems like this i have few of these needing to know trhe steps

Profit is revenue minus Costs.

Take the two functions and do the math (subtracting costs from revenue).

Thank you

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