bonsoir
2 x² - 3 x + 1/4 + 4 x² - x /4 + 3/4
= 8 x² /4 - 12 x /4 + 1/4 + 16 x² /4 - x /4 + 3 /4
= 24 x² /4 - 13 x /4 + 1
2 x² - 3 x + 1/4 - 4 x² + x /4 - 3/4
= 8 x²/ 4 - 12 x /4 + 1 /4 - 16x²/4 + x /4 - 3 /4
= - 8 x²/4 - 11 x /4 - 2/4
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bonsoir
2 x² - 3 x + 1/4 + 4 x² - x /4 + 3/4
= 8 x² /4 - 12 x /4 + 1/4 + 16 x² /4 - x /4 + 3 /4
= 24 x² /4 - 13 x /4 + 1
2 x² - 3 x + 1/4 - 4 x² + x /4 - 3/4
= 8 x²/ 4 - 12 x /4 + 1 /4 - 16x²/4 + x /4 - 3 /4
= - 8 x²/4 - 11 x /4 - 2/4