Bonjour quelqu’un pourrait-il m’aider à réduire ces expressions

Réponse :

Explications étape par étape

Bonjour

A = 5(3x + 2)

A = 5 * 3x + 5 * 2

A = 15x + 10

B = x(2 - 3x)

B = x * 2 + x * (-3x)

B = 2x - 3x^2

C = 5x * 7x

C = 35x^2

D = (4x + 2)(3x + 1)

D = 12x^2 + 4x + 6x + 2

D = 12x^2 + 10x + 2

E = 20 - (15 + 7x)

E = 20 - 15 - 7x

E = -7x + 5

F = 4(3x - 7) + 15

F = 12x - 28 + 15

F = 12x - 13

G = 4 - 2x(3x - 5)

G = 4 - 6x^2 + 10

G = -6x^2 + 14

H = (5x - 4) * 3

I = 4(2x + 3) + 5(4x + 6)

I = 8x + 12 + 20x + 30

I = 28x + 42

J = (x - 7) - (2x + 4)

J = x - 7 - 2x - 4

J = -x - 11

K = 4(2x - 3) - 8

K = 8x - 12 - 8

K = 8x - 20

L = (3y + 3)(x - 4)

L = 3xy - 12y + 3x - 12

M = 5x(3y - 2) - (3y + 12)

M = 15xy - 10x - 3y - 12

N = (3x - 2)(5x - 4)

N = 15x^2 - 12x - 10x + 8

N = 15x^2 - 22x + 8

P = 3x - 5x^2 - 7x + 12x^2

P = (12 - 5)x^2 + (3 - 7)x

P = 7x^2 - 4x

Q = 3 * 2y - 5x * 3y - (-3x + 4)

Q = 6y - 15xy + 3x - 4

R = (2x - 5)(4x - 7)

R = 8x^2 - 14x - 20x + 35

R = 8x^2 - 34x + 35

S = 3x - 1 - (5x^2 + 3x)

S = 3x - 1 - 5x^2 - 3x

S = -5x^2 - 1

T = (3x - 4)(-x + 4)

T = -3x^2 + 12x + 4x - 16

T = -3x^2 + 16x - 16

U = 2x * (-3) * (-6x)

U = -6x * (-6x)

U = 36x^2

V = 3x * 5 - 2 * 4x^2 - (4x - 9)

V = 15x - 8x^2 - 4x + 9

V = -8x^2 + 11x + 9

W = (2 - 3x)(-2x - 7)

W = -4x - 14 + 6x^2 + 21x

W = 6x^2 + 17x - 14

X = x(3y - 2) - y(5x + 9)

X = 3xy - 2x - 5xy - 9y

X = -2xy - 2x - 9y

Y = 4x^2 - 7x + 5 - 2x^2 + 12x - 9

Y = 2x^2 + 5x - 4