Jawaban nyaa adalah?

A = 2x + 4xy - 6y
B = -5x - 7xy + y

A - B =
2x + 4xy - 6y - (- 5x - 7xy + y) =
2x + 4xy - 6y + 5x + 7xy - y = (kumpulakn yang sejenis)
2x + 5x + 4xy + 7xy - 6y -y =
7x + 11xy - 7y

Jawaban : D

A-B
= (2x+4xy-6y) - (-5x-7xy+y)
= 2x+5x+4xy+7xy-6y-y
= 7x + 11xy - 7y D