Problem 9

[chandra21]

Is it correct method?

 

[Deleted member 4993]

Is it correct method?

View attachment 28635

This is excellent for an answer in a test. For homework, I would add:

a²xy + b²xy + abx² + aby²

= a²xy + abx² + aby² + b²xy

= ax*(ay + bx) + by*(ay + by)

= (ay + bx) * ( ax + by)

 

[chandra21]

View attachment 28636

This is excellent for an answer in a test. For homework, I would add:

a²xy + b²xy + abx² + aby²

= a²xy + abx² + aby² + b²xy

= ax*(ay + bx) + by*(ay + by)

= (ay + bx) * ( ax + by)

Sorry for step jump