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Développer et réduire les expressions suivantes.
A = (5x - 3) x 11x
A =
=
B = 8x(5x-4)
B =
C = -4(3x − 8)
C =
D = (8x + 7) × (-9)
D=
E = -11x(x + 8)
E =


Répondre :

bonjour;

A = (5x - 3) x 11x

A =55x² -33x

=

B = 8x(5x-4)

B =40x² -32x

C = -4(3x − 8)

C =-12x +32

D = (8x + 7) × (-9)

D=-72x -63

E = -11x(x + 8)

E =-11x² -88x