Question

please answer this question correctly and fast no waste answer​

Answer 1

Step-by-step explanation:

3y²+5y-4-8y+y²+4

=> 4y²-3y

=>y(4y-3)

Answer 2

(1)

5m - 7n + 3n - 4m + 2 + 2m - 3mn - 5

=> 5m - 4m + 2m - 7n + 3n - 3mn +2 - 5

=> 3m - 4n - 3mn -3

(2)

3y^2+5y-4-8y+y^2+4

=> 3y^2+y^2+5y-8y-4+4

=>4y^2-3y

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