Développer puis simmplifier les expressions suivantes.
-
A = 2(5x - 4)
A = 2(5x - 4)
A = 10x - 8 -
B = -x(2 - x)
B = - x(2 - x)
B= - 2x + x2 -
C = 3(-x + 1)
C = 3( - x + 1)
C = - 3x + 3 -
D = (3x - 1)(-5 + 2x)
D = (3x - 1)( - 5 + 2x)
D = - 15x + 6x2 + 5 - 2x
D = 6x2 - 17x + 5 -
E = (-x + 1)(4 - 3x)
E = ( - x + 1)(4 - 3x)
E = - 4x + 3x2 + 4 - 3x
E = 3x2 - 7x + 4 -
F = (x + 4)(5 + 7x)
F = (x + 4)(5 + 7x)
F = 5x + 7x2 + 20 + 28x
F = 7x2 + 33x + 20 -
G = (3 - 4x)(4 - x)
G = (3 - 4x)(4 - x)
G = 12 - 3x - 16x + 4x2
G = 4x2 - 19x + 12 -
H = (2x + 1)(2x + 1)
H = (2x + 1)(2x + 1)
H = 4x2 + 2x + 2x + 1
H = 4x2 + 4x + 1 -
I = (x + 2)(3 - 2x)(6x + 4)
I = (x + 2)(3 - 2x)(6x + 4)
I = (3x - 2x2 + 6 - 4x)(6x + 4)
I = ( - 2x2 - x + 6)(6x + 4)
I = - 12x^3 - 8x2 - 6x2 - 4x + 36x + 24
I = - 12x^3 - 14x2 + 32x + 24 -
J = 7x(2x - 1)(-4(3x - 2))
J = 7x(2x - 1)( - 4(3x - 2))
J = (14x2 - 7x)( - 12x + 8)
J = - 168x^3 + 112x2 + 84x2 - 56x
J = - 168x^3 + 196x2 - 56x