factoriser: H= (3i+7)²-(i+5)²
Mathématiques
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Question
factoriser:
H= (3i+7)²-(i+5)²
1 Réponse
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1. Réponse winner123
bonjour
H= (3i+7)²-(i+5)²
identité remarqueble
(3i +7 -i -5)(3i +7 + i +5)
(2i +2)(4 i +12)