bonjour
A = 6 x + 15
B = - 3 + 6 x
C = 4 x - 6 x²
D = 2 x² + 6 x + x + 3 = 2 x² + 7 x + 3
E = 9 x - 6 x² - 3 + 2 x = - 6 x² + 11 x - 3
F = 3 - 10 x + 20 = - 10 x + 23
G = 15 x + 8 - 3 x = 12 x + 8
Bonjour,
[tex]A = 3(2x+5)\\A = 2x*3+5*3\\\boxed{A = 6x + 15}[/tex]
[tex]B = -3(1-2x)\\B = -3 (-2x +1)\\\boxed{B = 6x - 3}[/tex]
[tex]C = 2x(2-3x)\\C = 2x*2+-3x*2x\\\boxed{C = -6x^{2} +4x}[/tex]
Voilà les 3 premières, je te laisse faire ma technique.
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bonjour
A = 6 x + 15
B = - 3 + 6 x
C = 4 x - 6 x²
D = 2 x² + 6 x + x + 3 = 2 x² + 7 x + 3
E = 9 x - 6 x² - 3 + 2 x = - 6 x² + 11 x - 3
F = 3 - 10 x + 20 = - 10 x + 23
G = 15 x + 8 - 3 x = 12 x + 8
Verified answer
Bonjour,
[tex]A = 3(2x+5)\\A = 2x*3+5*3\\\boxed{A = 6x + 15}[/tex]
[tex]B = -3(1-2x)\\B = -3 (-2x +1)\\\boxed{B = 6x - 3}[/tex]
[tex]C = 2x(2-3x)\\C = 2x*2+-3x*2x\\\boxed{C = -6x^{2} +4x}[/tex]
Voilà les 3 premières, je te laisse faire ma technique.