Question

7ab from 3a²b+8ab
$x {2} - 3xy + 7y {2} - 2\: from \: 6xy - 4x {2} - y {2} + 5$
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Answer 1

Step-by-step explanation:

6xy-4x[2]-y[2]+5

-3xy+x[2]-7y[2]-2

+ - + +

_____________

9xy-5x[2]+6y[2]+7