Bonjour, pouvez m'aidez pour ce devoir de maths de 4ème. Recopier et compléter les égalités suivantes.

1. (x+4) X (x+3) = x X ..... + x X ...... + 4 X ...... + 4 X .....
2. (x-5) X (x+6) = x X .... + x X .... + (-5) X ..... +(-5) X ....
3. (x-7) X (x-2) = x X ..... + x X .... + (-7) X ..... + (-7) X ......
4. (2x+3) X (3x+1) = 2x X .... + 2x X .... + .....X.... + .....X.....

Merci a ceux qui m'aideront
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