Factoriser : A = ( 2x - 1 )² + ( x + 3 ) ( 2x - 1 ) B = ( -x + 2 )² - ( 5x +1)²
Mathématiques
moumous
Question
Factoriser :
A = ( 2x - 1 )² + ( x + 3 ) ( 2x - 1 )
B = ( -x + 2 )² - ( 5x +1)²
A = ( 2x - 1 )² + ( x + 3 ) ( 2x - 1 )
B = ( -x + 2 )² - ( 5x +1)²
1 Réponse
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1. Réponse Anonyme
A = (2x-1)(2x-1+x+3)
= (2x-1)(3x+2)
B = (-x+2-5x-1)(-x+2+5x+1)
= (-6x+1)(4x+3)