SVP aider a le faire je bloque merci en avance Exercice 2: Développer et réduire les expressions suivantes
A = 4(x + 5) + 6(x + 7) =
B = 2(x + 1) + x(x + 2) =
C = 2(x + 1)-3(x - 2) =
D = x(3x + 1)-2(-x-3) =
• E = (4x² - 3) x2 + 4x =
A = 4(x + 5) + 6(x + 7) =
B = 2(x + 1) + x(x + 2) =
C = 2(x + 1)-3(x - 2) =
D = x(3x + 1)-2(-x-3) =
• E = (4x² - 3) x2 + 4x =
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bonsoir,
A = 4(x + 5) + 6(x + 7) =
4x+20 +6x +42
= 10x + 62
B = 2(x + 1) + x(x + 2) =
2x+2+x² +2x
= x² + 4x + 2
C = 2(x + 1)-3(x - 2) =
2x +2 -3x +6
= -x +8
D = x(3x + 1)-2(-x-3) =
3x² +x +2x +6
= 3x² +3x +6
• E = (4x² - 3) x2 + 4x =
= 8x² -6 +4x