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Habbassalmap4zaio
@Habbassalmap4zaio
May 2019
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Bonjour je n’arrive pas à factoriser c’est équation pourriez vous m’aidez svp
A=x^2+6x+9
B=25x^2-10x+1
C=16x^2-49
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LaPerlEDeMath
Verified answer
Hello,
factoriser ces expression :
A = x² + 6x + 9
= ( x + 3)² =====> une identité remarquable ( a + b)² = a² + 2ab +b²
B = 25x² -10x + 1
= ( 5x - 1)² ======> une identité remarquable ( a - b)² = a² - 2ab + b²
C = 16x² - 49
= ( 4x - 7)( 4x + 7) ======> une identité remarquable ( a-b)(a+b) = a² - b²
Voilà ^^
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Thanks 1
LaPerlEDeMath
de rien ^^
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Verified answer
Hello,factoriser ces expression :
A = x² + 6x + 9
= ( x + 3)² =====> une identité remarquable ( a + b)² = a² + 2ab +b²
B = 25x² -10x + 1
= ( 5x - 1)² ======> une identité remarquable ( a - b)² = a² - 2ab + b²
C = 16x² - 49
= ( 4x - 7)( 4x + 7) ======> une identité remarquable ( a-b)(a+b) = a² - b²
Voilà ^^