Factorisation: x²-25+(-2x+10)(x+3) svp Merci d'avance
Mathématiques
matygoudiaby7
Question
Factorisation: x²-25+(-2x+10)(x+3) svp
Merci d'avance
Merci d'avance
2 Réponse
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1. Réponse inequation
Bonsoir,
Factoriser:
x²-25+(-2x+10)(x+3)= (x-5)(x+5)- 2(x-5)(x+3)
= (x-5)(x+5-2x-6)
= (x-5)(-x-1)
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2. Réponse loulakar
Bonsoir
Factorisation: x²-25+(-2x+10)(x+3)
= (x - 5)(x + 5) - 2(x - 5)(x + 3)
= (x - 5)[x + 5 - 2(x + 3)]
= (x - 5)(x + 5 - 2x - 6)
= (x - 5)(-x - 1)