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Jawaban:

A. 4 (2 x 5y) - 5 (x + 3y )

  • 8× -20y - 5× -15y
  • 8× -5× - 20y - 15y
  • 3 × -35y

B. 2(3 ×2y ) -4 (× -5y )

  • 6× + 4y - 4× + 20y
  • 6× + 4× + 4y + 20y
  • 2× + 24y

Maaf kalo salah

  • aqila576
    udah selesai kok ya hahahaha

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