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Exercice 3
Factoriser chacune des expressions ci-dessous
A(x) (5x + 4)(x - 2) + (5x + 4)(8 - 3x)
B(x) (x + 4)(2x – 7) + (3x + 2)(x + 4)

Sagot :

MAUDMARINE

Bonjour

Factoriser chacune des expressions ci-dessous

A(x) (5x + 4)(x - 2) + (5x + 4)(8 - 3x)

A (x) = (5x + 4) (x - 2 - 3x + 8)

A (x) = (5x + 4) (- 2x + 6)

A (x) = - 2(x - 3) (5x + 4)

B(x) (x + 4)(2x – 7) + (3x + 2)(x + 4)

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

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

B (x) = 3 (x - 1) (x + 4)

INEQUATION

Bonjour,

Factoriser chacune des expressions ci-dessous

A(x)= (5x + 4)(x - 2) + (5x + 4)(8 - 3x)

A(x)= (5x+4)(x-2+8-3x)

A(x)= (5x+4)(-2x+6)

A(x)= -(5x+4)(x-3)

B(x)= (x + 4)(2x – 7) + (3x + 2)(x + 4)

B(x)= (x+4)(2x-7+3x+2)

B(x)= (x+4)(5x-5)

B(x)= 5(x+4)(x-1)