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Sagot :

INEQUATION

Bonjour,

Factoriser:

3y-3x= 3*y-3*x= 3(y-x)

10x-5x²= 2*5x-5*x*x= 5x(2-x)

2x(5x+1)+3(5x+1)= (5x+1)(2x+3)

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

(4x-7)(x+2)- (3x-5)(4x-7)= (4x-7)(x+2-3x+5)= (4x-7)(-2x+7)= - (4x-7)(2x-7)

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