Question
AIDE URGENT FACTORISER les expressions suivantes :
A = (-6x+1){au carre } -25
B=(4x+4){au carre } + (7x-7) (4x+4)
C= 64x{ au carre } - 9
merci d'avance
A = (-6x+1){au carre } -25
B=(4x+4){au carre } + (7x-7) (4x+4)
C= 64x{ au carre } - 9
merci d'avance
Asked by: USER7987
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184 Answers
Answer (184)
bonsoir
a = ( - 6 x + 1)² - 25
a = ( - 6 x + 1 + 5) ( - 6 x + 1 - 5)
a = (- 6 x + 6) ( - 6 x - 4 )
b = ( 4 x + 4)² + ( 7 x - 7) ( 4 x + 4)
b = ( 4 x + 4) ( 4 x + 4 + 7 x - 7)
b = ( 4 x + 4) ( 11 x - 3)
c = 64 x² - 9
c = ( 8 x - 3) ( 8 x + 3)
a = ( - 6 x + 1)² - 25
a = ( - 6 x + 1 + 5) ( - 6 x + 1 - 5)
a = (- 6 x + 6) ( - 6 x - 4 )
b = ( 4 x + 4)² + ( 7 x - 7) ( 4 x + 4)
b = ( 4 x + 4) ( 4 x + 4 + 7 x - 7)
b = ( 4 x + 4) ( 11 x - 3)
c = 64 x² - 9
c = ( 8 x - 3) ( 8 x + 3)
Bonjour ,
A = ( 1 + 6x)² - 25
A = (1+6x)² - 5²
A = [ ( 1+6x) - 5] [ ( 1+6x) + 5]
A = ( 6x -4) ( 6x + 6 )
B = ( 4x+4)² + ( 7x-7) ( 4x+4)
B = ( 4x+4) [ ( 7x-7) + ( 4x+4)]
B = ( 4x+4) ( 11x - 3)
C = 64x² - 9
C = (8x)² - 3²
C = ( 8x+3) ( 8x- 3)
A = ( 1 + 6x)² - 25
A = (1+6x)² - 5²
A = [ ( 1+6x) - 5] [ ( 1+6x) + 5]
A = ( 6x -4) ( 6x + 6 )
B = ( 4x+4)² + ( 7x-7) ( 4x+4)
B = ( 4x+4) [ ( 7x-7) + ( 4x+4)]
B = ( 4x+4) ( 11x - 3)
C = 64x² - 9
C = (8x)² - 3²
C = ( 8x+3) ( 8x- 3)