bonjour,
Developper et reduire les expressions suivantes:
2 ( x + 3 ) +5

6 ( x +1 ) + 8 ( 3 + x )

2x ( 3x - 1 ) + 4 ( 3xª - 5x )

ª--» exposant 2

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VINS VINS · Answer 1 · 2021-05-27T19:11:53+02:00

bonjour

2 ( x + 3 ) +5= 2 x + 6 + 5 = 2 x + 11

6 ( x +1 ) + 8 ( 3 + x ) = 6 x + 6 + 24 + 8 x = 14 x + 30

2x ( 3x - 1 ) + 4 ( 3x² - 5x )

= 6 x² - 2 x + 12 x² - 20 x

= 18 x² - 22 x

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INEQUATION INEQUATION · Answer 2 · 2021-05-27T19:45:05+02:00

Bonjour,

Developper et reduire les expressions:

2 ( x + 3 ) +5= 2x+6+5= 2x+11

6 ( x +1 ) + 8 ( 3 + x )= 6x+6+24+8x= 14x+30

2x ( 3x - 1 ) + 4 ( 3x² - 5x )= 6x²-2x+12x²-20x= 18x²-22x

Answer Link