Factorisation: A(x)= (2x+3)² - (x-1)² B(x)= (x+1) - x(x+1)
Mathématiques
emmaherlemont
Question
Factorisation:
A(x)= (2x+3)² - (x-1)²
B(x)= (x+1) - x(x+1)
A(x)= (2x+3)² - (x-1)²
B(x)= (x+1) - x(x+1)
1 Réponse
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1. Réponse droopette
A(x)= (2x+3)² - (x-1)²
=(2x+3-x+1)(2x+3+x-1)
=(x+4)(3x+2)
B(x)= (x+1) - x(x+1)
=(x+1)(1-x)