Respuesta :

remove parentheses

4y^2-5y+3y-7y^2-(2y^2+6y-5)

Simplify each term

4y^2-5y+3y-7y^2-2y^2+6y-5

Simplify by adding terms

-5y^2-8y+5

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XaniHan
-y^3 -y + 1 -7y^3 -6y -5
= -8y^2 -7y -4

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