(x-3)²=(x-2)²-5tolong di jawab
Matematika
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Pertanyaan
(x-3)²=(x-2)²-5tolong di jawab
1 Jawaban
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1. Jawaban BeetSha
(x - 3)² = (x - 2)² - 5
x² - 6x + 9 = x² - 4x + 4 - 5
x² - 6x + 9 = x² - 4x - 1
x² - 6x - x² + 4x = -1 - 9
-6x + 4x = -10
-2x = -10
2x = 10
x = 10 ÷ 2
x = 5