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noemieraimbault
@noemieraimbault
June 2021
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j aurai besoin d aide svp c est des math niveau 4 eme c est les exercices 3 et 7
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Exercice 3
terme = soustraction ou addition
facteur = multiplication
1/
terme 3x-2a facteur 2(b-5)
facteur a(35-2x)
facteur (2x+4)²
terme 16+x²
facteur 3x²(4x+1)
terme 3 facteurx²(4x+1)
exercice 7
-x+4x =3x
4y-7y = -3y
3x-3x =0
2x²+5x² =7x²
3y²-2y² =y²
3x²-7x² = -4x²
-7x+5+9a-6+x-6a = -6x+3a+11
5a-6y+3a+4y-2a = 6a-2y
3x²+5x-10x² = -7x²+5x
10x² -5+2x -9x²+3 =x²+2x-2
45x²-10x+35x²+8x-3+2x = 80x²-3
-7y-5y²+10y+3y²-3y = -2y²
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noemieraimbault
June 2021 | 0 Respostas
vois pouvez m aider je doit le rendre demain il y a les deux exercices svp
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terme = soustraction ou addition
facteur = multiplication
1/
terme 3x-2a facteur 2(b-5)
facteur a(35-2x)
facteur (2x+4)²
terme 16+x²
facteur 3x²(4x+1)
terme 3 facteurx²(4x+1)
exercice 7
-x+4x =3x
4y-7y = -3y
3x-3x =0
2x²+5x² =7x²
3y²-2y² =y²
3x²-7x² = -4x²
-7x+5+9a-6+x-6a = -6x+3a+11
5a-6y+3a+4y-2a = 6a-2y
3x²+5x-10x² = -7x²+5x
10x² -5+2x -9x²+3 =x²+2x-2
45x²-10x+35x²+8x-3+2x = 80x²-3
-7y-5y²+10y+3y²-3y = -2y²