Question

please answer this question correctly and fast no waste answer​

Answer 1

Answer:

1) 5m-7n+3n-4m+2+2m-3mn-5

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

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

OR

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

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

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

=>4y^2 - 3y

I hope it'll help you..