Bonjour,
105/35+ 140x/35 + 60x /15 + 30x²/15 +120/15 + 60x /15
= 30x²/15 140x/35 + 120x/15 +105/35 + 120/15
= 2x² +4x + 8x + 3 + 8
= 2x² +12x + 11
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Bonjour,
105/35+ 140x/35 + 60x /15 + 30x²/15 +120/15 + 60x /15
= 30x²/15 140x/35 + 120x/15 +105/35 + 120/15
= 2x² +4x + 8x + 3 + 8
= 2x² +12x + 11