please answer this question correctly and fast no waste answer
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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..
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