Respuesta :
Answer :
8y²-5y+7 from 2y²+7y+11
[tex]\Longrightarrow[/tex] 2y²+7y+11-(8y²-5y+7)
[tex]\Longrightarrow[/tex] 2y²+7y+11-8y²+5y-7
[tex]\Longrightarrow[/tex] -6y²+12y+4
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8y²-5y+7 from 2y²+7y+11
[tex]\Longrightarrow[/tex] 2y²+7y+11-(8y²-5y+7)
[tex]\Longrightarrow[/tex] 2y²+7y+11-8y²+5y-7
[tex]\Longrightarrow[/tex] -6y²+12y+4