( 5x² + 2x - 5 )( x² - 4x + 2 )
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( 5x² + 2x - 5 )( x² - 4x + 2 )
1 Jawaban
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1. Jawaban Anonyme
(5x² + 2x - 5)(x² - 4x + 2)
= 5x²(x² - 4x + 2) + 2x(x² - 4x + 2) - 5(x² - 4x + 2)
= 5x⁴ - 20x³ + 10x² + 2x³ - 8x² + 4x - 5x² + 20x - 10
= 5x⁴ - 18x³ - 3x² + 24x - 10