7x(x-7+2)-5x(x-2y-1)
Matematika
kyurato190
Pertanyaan
7x(x-7+2)-5x(x-2y-1)
1 Jawaban
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1. Jawaban tetimala
7x (x - 7 + 2) - 5x (x - 2y - 1)
7x² - 49x + 14x - 5x² + 10xy + 5
7x² - 5x² - 49x + 14x + 10xy + 5
2x² - 35x + 10xy + 5