tolong no 5 yh pake caranya
Matematika
anggan161
Pertanyaan
tolong no 5 yh pake caranya
1 Jawaban
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1. Jawaban Amaliayn
a. A+B = 3xy-12x+2x+xy = 4xy-10x
b. A-2B = 3xy-12x-2(2x+xy) = 3xy-12x-4x-2xy = xy-16x
c. 3A+4B = 3(3xy-12x) + 4(2x+xy) = 9xy-36x+8x+4xy = 13xy-28x