asked 82.5k views
3 votes
Est-ce que ceci est un trinôme carré parfait? Montre les démarches.
a) x² +8x+64

1 Answer

4 votes

Answer: Oui, vous pouvez le factoriser parfaitement

Explanation:

x^2 + 8x + 64

ajouter et soustraire (b/2a)^2

x^2+8x+64+16-16

factoriser le trinôme carré parfait : x^2 + 8x + 16

(x+4)^2 + 64 - 16

réponse finale:

48 + (x+4)^2

answered
User Andrex
by
8.9k points
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