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Judu13
@Judu13
May 2019
2
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M' aider je n' y arrive pas MERCI: développer et réduire
A=(3x+()2au carré
B=(4x7)2 au carré
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Maggie24
Verified answer
(3x +2) °( au carré )
= 3xaucarré + 2×3x×2 + 2 aucarré
= 9xcarré +12x+4
(4x + 7) au carré
= 16x+56x+ 49
1 votes
Thanks 0
AbderraoufSlamani
Bonjour
Peut être À = (3x + 2)² , B = (4x + 7)²
A = (3x)² +2(3x)(2) + 2²
A = 9x² + 12x + 4
B = 16x² + 56x + 49
1 votes
Thanks 0
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Verified answer
(3x +2) °( au carré )= 3xaucarré + 2×3x×2 + 2 aucarré
= 9xcarré +12x+4
(4x + 7) au carré
= 16x+56x+ 49
Peut être À = (3x + 2)² , B = (4x + 7)²
A = (3x)² +2(3x)(2) + 2²
A = 9x² + 12x + 4
B = 16x² + 56x + 49