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SARAH3738
Answered

Bonjour svp aidez moi

factoriser chaque expression avec une identité remarquable

a. x² + 2x + 1
b. x²- 10x + 25
c. x² + 12x + 36 ​

Sagot :

HOUTMANELYAS

Réponse:

a x²+2x+1

=(x)²+2×x×1+(1)²

=(x+1)²

b x²-10x+25

=(x)²-2×x×5+(5)²

= (x-5)²

c x²+12x+36

=(x)²+2×x×6+(6)²

= (x+6)²

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