( x - 3 )^2 = ( x - 2 )^2 - 5
Matematika
ArdhianyJasman
Pertanyaan
( x - 3 )^2 = ( x - 2 )^2 - 5
1 Jawaban
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1. Jawaban sandysuhendra
(x-3)² = (x-2)² - 5
x² - 6x + 9 = x² - 4x + 4 - 5
x² - 6x - x² + 4x = - 1 - 9
- 2x = - 10
x = 5