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Which expression is equivelent please help

Which expression is equivelent please help
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Which expression is equivelent please help

Which expression is equivelent please help-example-1
User HJo
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Which expression is equivelent please help

Answer: Hi!


-2m(m+n-4)+5(-2m+2n)+n(m+4n-5)=\\\\-2m^2-2mn+8m+(-10m+10n)+nm+4n^2-5n=\\\\-2m^2-2mn+nm+8m-10m+10n-5n+4n^2=\\\\\boxed{-2m^2-mn-2m+5n+4n^2} \\\\\boxed{\boxed{-2m^2+4n^2-mn-2m+5n}\quad\to\quad C)}


User Dmarietta
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