Matematika

Pertanyaan

Sederhanakan1》 (3× - ×y)+(5× + 2×y -1)
2》 (2×y - ×y +3)-(×y + 2×y-7)
3》 (2p -3)-(3p+7)-(5p-9)+(p+12)

1 Jawaban

  • [tex]1]](3x-xy)+(5x+2xy-1)=8x+xy-1 \\ \\ \\ 2]](2xy-xy+3)-(xy+2xy-7)=-2xy+10 \\ \\ \\ 3]](2p-3)-(3p+7)-(5p-9)+(p+12)=-5p+17[/tex]

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