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Makerz
@Makerz
January 2021
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bonjour je n arrive pas ce calcul. merci d avance. développer et réduire 3x-2x(7x+3)-(x+5)(4x-7
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wisedevil
Verified answer
Bonjour,
3x - 2x(7x+3) - (x+5)(4x-7)
3x - 14x² - 6x - (4x² - 7x + 20x - 35)
3x - 14x² - 6x - (4x² + 13x - 35)
3x - 14x² - 6x - 4x² - 13x + 35
-14x² - 4x² - 16x + 35
-18x² - 16x + 35
En esperant t'avoir aidé(e) ! ^^
1 votes
Thanks 2
inequation
Verified answer
Bonjour,
Développer:
3x-2x(7x+3)-(x+5)(4x-7)
3x-14x²-6x - (4x²+20x-7x-35)
3x-14x²-6x - (4x²+14x-35)
3x-14x²-6x-4x²-13x+35
-18x²-16x+35
0 votes
Thanks 2
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Verified answer
Bonjour,3x - 2x(7x+3) - (x+5)(4x-7)
3x - 14x² - 6x - (4x² - 7x + 20x - 35)
3x - 14x² - 6x - (4x² + 13x - 35)
3x - 14x² - 6x - 4x² - 13x + 35
-14x² - 4x² - 16x + 35
-18x² - 16x + 35
En esperant t'avoir aidé(e) ! ^^
Verified answer
Bonjour,Développer:
3x-2x(7x+3)-(x+5)(4x-7)
3x-14x²-6x - (4x²+20x-7x-35)
3x-14x²-6x - (4x²+14x-35)
3x-14x²-6x-4x²-13x+35
-18x²-16x+35