Website Statistics developer A x 3x1x56x2

Répondre :

A=x(3x-1)-(x+5)(6x-2)

A=3x²-x-(6x²+30x-2x-10)

A=3x²-x-(6x²+28x-10)

A=-3x²-29x+10

 

 

 

 

 

 

x(3x-1)-(x+5)(6x-2)

= 3x²-x-(6x²+2x+30x-10)

=3x²-x-(6x²+28x-10)

=-3x²-29x+10

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