(2x-1)²-(x+3)²=0 mohon bantuannya kak.
Matematika
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Pertanyaan
(2x-1)²-(x+3)²=0 mohon bantuannya kak.
1 Jawaban
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1. Jawaban Darksimple
(2x - 1)² - (x + 3)² = 0
(2x - 1)(2x - 1) - (x + 3)(x + 3) = 0
2x(2x - 1) - 1(2x - 1) - x(x + 3) + 3(x + 3) = 0
4x² - 2x - 2x + 1 - x² - 3x + 3x + 9 = 0
3x² - 4x + 10 = 0