Sagot :
Bonjour,
A=-6(3x-7)
=-18x+42
B=x(2x-5)
=2x²-5x
C=(3x+8)(3x-8)
=9x²-64
D=(x-9)(4x-3)
=4x²-3x-36x+27
=4x²-39x+27
bonjour
A = - 18 x + 42
B = 2 x² - 5 x
C = 9 x² - 64
D = 4 x² - x - 36 x + 27 = 4 x² - 37 x + 27
Bonjour,
A=-6(3x-7)
=-18x+42
B=x(2x-5)
=2x²-5x
C=(3x+8)(3x-8)
=9x²-64
D=(x-9)(4x-3)
=4x²-3x-36x+27
=4x²-39x+27
bonjour
A = - 18 x + 42
B = 2 x² - 5 x
C = 9 x² - 64
D = 4 x² - x - 36 x + 27 = 4 x² - 37 x + 27