Sagot :
Réponse :
Explications étape par étape :
A = 5(x + 2) = 5x + 10
B = x(x – 3) = x² - 3x
C = 4x(x + 1) = 4x² + 4x
D = -6x(-3 + 2x) = -6x² + 18x
Bonsoir,
A = 5(x + 2)
= 5x+10
B = x(x – 3)
= x² -3x
C = 4x(x + 1)
= 4x² +4x
D = -6x(-3 + 2x)
= 18x -12x²