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Ndridi23
@Ndridi23
May 2019
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Pouvez vous me développer puis simplifier A=(a + 3)(a + 4) B=(y - 5)(y + 1) C=(x - 2)(x - 7)
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its1tom
Verified answer
Bonjour,
A = a² + 4a + 3a + 12
A = a² + 7a + 12
B = y² + y + (-5y) + (-5)
B = y² - 4y - 5
C = x² - 7x + (-2x) + (-14)
C = x² - 9x - 14
Voilà, bonne continuation, si tu as des questions, n'hésites pas à les poser :)
0 votes
Thanks 1
its1tom
Nn pk ,
its1tom
Ok
its1tom
Derien
its1tom
Ca fait plaisir
missmareen
Verified answer
A = a*a + a*4 + 3*a + 3*4
= a au carré + 4a + 3a +12
=a au carré + 7a + 12
B = y*y + y*1 - 5*y - 5*1
= y au carré + y - 5y - 5
= y au carré - 4y - 5
C= x*x - x*7 - 2*x + 2*7
=x au carré - 7x - 2x + 14
= x au carré - 9x + 14
0 votes
Thanks 0
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Lista de comentários
Verified answer
Bonjour,A = a² + 4a + 3a + 12
A = a² + 7a + 12
B = y² + y + (-5y) + (-5)
B = y² - 4y - 5
C = x² - 7x + (-2x) + (-14)
C = x² - 9x - 14
Voilà, bonne continuation, si tu as des questions, n'hésites pas à les poser :)
Verified answer
A = a*a + a*4 + 3*a + 3*4= a au carré + 4a + 3a +12
=a au carré + 7a + 12
B = y*y + y*1 - 5*y - 5*1
= y au carré + y - 5y - 5
= y au carré - 4y - 5
C= x*x - x*7 - 2*x + 2*7
=x au carré - 7x - 2x + 14
= x au carré - 9x + 14