Bonsoir,
Factoriser :
(2x - 1)² - (3x + 2)²
= (2x - 1 - 3x - 2) (2x - 1 + 3x + 2)
= (x - 3) (5x + 1)
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Bonsoir,
Factoriser :
(2x - 1)² - (3x + 2)²
= (2x - 1 - 3x - 2) (2x - 1 + 3x + 2)
= (x - 3) (5x + 1)