Factoriser: a)16x²-7 b)x²+10x+25 svpppppp
Mathématiques
chloésisi
Question
Factoriser:
a)16x²-7
b)x²+10x+25
svpppppp
a)16x²-7
b)x²+10x+25
svpppppp
1 Réponse
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1. Réponse droopette
a)16x²-7
=(4x+V7)(4x-V7)
b)x²+10x+25
=(x+5)²
V est racine carrée