(X-3)²=(X-2)²-5 plese bantu dong
Matematika
Silvialyaandinong
Pertanyaan
(X-3)²=(X-2)²-5 plese bantu dong
1 Jawaban
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1. Jawaban newwiguna
(x-3)² = (x-2)² - 5
x² - 6x + 9 = x² - 4x + 4 - 5
x² - 6x + 9 = x² - 4x - 1
x² - x² - 6x + 4x + 9 + 1 = 0
-2x+10 = 0
-2x = -10
x = 5