Factoriser O= (2x-3)² -(5x+7)²
Mathématiques
radhia4
Question
Factoriser
O= (2x-3)² -(5x+7)²
O= (2x-3)² -(5x+7)²
1 Réponse
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1. Réponse Anonyme
Bonsoir
O = (2x - 3)² - (5x + 7)²
= [(2x - 3) + (5x + 7)][(2x - 3) - (5x + 7)]
= (2x - 3 + 5x + 7)(2x - 3 - 5x - 7)
= (7x + 4)(-3x - 10)