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Sagot :

Bonjour,

Factoriser l'expression :

(x+3)²-(2x-1)(x+3) = (x + 3)(x + 3 - 2x + 1) = (x + 3)(-x + 4)

Salut

(x+3)² - (2x - 1) (x+3)

(x+3)(x+3)-(2x-1)(x+3)

(x+3)(x+3-2x+1)

(x+3)(4-x)

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