1.

Subtract:x2-3xy+7y2-2 from 6xy-4x2-y2+5​

Answer»

6xy-4x^2-y^2+5-(x^2-3xy+7y^2-2=> 6xy-4xy^2-y^2+5-x^2+3xy-7y^2+2=> 6xy+3xy-4xy^2-y^2-7y^2+5+2=> 9xy-4xy^2-8y^2+7=> -4xy^2-8y^2+9xy+7=> 4xy^2+8y^2-9xy-7Hope it HELPS you..Step-by-step EXPLANATION:



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