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Asckobly
@Asckobly
April 2019
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Bonjour,
je suis actuellement en classe de quatrième.
Voici mon devoir :
Réduire les expressions qui suivent;
A=5y-4+7y-8y+6
B=-4z+5-2z²+y-8z²-3z-11
C=-3r+5-7r+2r-6r-6
D=4t-5+6t²+4-2t²-t+t²-7t
Merci, Asckobly. ω
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maudmarine
Verified answer
Réduire les expressions qui suivent
;
A=5y-4+7y-8y+6
A = 5y + 7y - 8y + 6 - 4
A = 4y + 2
B=-4z+5-2z²+y-8z²-3z-11
B = - 8z² - 2z² - 4z - 3z + y - 11 + 5
B = - 10z² - 7z + y - 6
C=-3r+5-7r+2r-6r-6
C = - 3r - 6r - 7r + 2r + 5 - 6
C = - 14r - 1
D=4t-5+6t²+4-2t²-t+t²-7t
D = 6t² - 2t² + t² + 4t - t - 7t - 5 + 4
D = 5t² - 4t - 1
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Verified answer
Réduire les expressions qui suivent;A=5y-4+7y-8y+6
A = 5y + 7y - 8y + 6 - 4
A = 4y + 2
B=-4z+5-2z²+y-8z²-3z-11
B = - 8z² - 2z² - 4z - 3z + y - 11 + 5
B = - 10z² - 7z + y - 6
C=-3r+5-7r+2r-6r-6
C = - 3r - 6r - 7r + 2r + 5 - 6
C = - 14r - 1
D=4t-5+6t²+4-2t²-t+t²-7t
D = 6t² - 2t² + t² + 4t - t - 7t - 5 + 4
D = 5t² - 4t - 1