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Sagot :

We have the expression:

[tex]x(2x-y)[/tex]

It can be thougth as the area of a rectangle with sides x and (2x-y).

We can also think of the the difference between an area of a rectangle with sides x and 2x and a rectangle with sides x and y:

[tex]x(2x-y)=x\cdot2x-x\cdot y=2x^2-xy[/tex]

Answer: x(2x-y) = 2x^2-xy

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