Combine like terms:
(7y2 - 3y) +8y2 - 8y)

15y² - 11y

Step-by-step explanation:

We have to combine like terms  in the given expression :

(7y² - 3y) + (8y² - 8y)

Here second degree term y² and y are the like terms.

So by combining these terms we can solve this.

(7y² + 8y²) - (3y + 8y)

= 15y² - 11y

Therefore, answer is 15y² - 11y

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