Jawaban:
2(3x-5)² = 2 (3x - 5)(3x + 5)
=2 (9x² + 15x - 15x - 25)
=2 ( 9x² - 25 )
= 18x² - 50
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Jawaban:
2(3x-5)² = 2 (3x - 5)(3x + 5)
=2 (9x² + 15x - 15x - 25)
=2 ( 9x² - 25 )
= 18x² - 50