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XaDoS
@XaDoS
May 2019
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Bonjour ! S'il vous plaît je dois développer puis réduire cette expression littérale.
Donnez moi une réponse détaillié s'il vous plaît, merci :)
( 2 + 3 ( 1 - a ) ) - ( 2 ( a + 1 ) - 5 )
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nguyenso9
Verified answer
Bonsoir,
(2 + 3 (1 - a)) - (2 (a + 1) - 5)
= (2 + 3 - 3a) - (2a + 2 - 5)
= 2 + 3 - 3a - 2a - 2 + 5
= -3a - 2a + 5 + 3 + 2 - 2
= -5a + 8
Bonne soiree
2 votes
Thanks 1
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Verified answer
Bonsoir,(2 + 3 (1 - a)) - (2 (a + 1) - 5)
= (2 + 3 - 3a) - (2a + 2 - 5)
= 2 + 3 - 3a - 2a - 2 + 5
= -3a - 2a + 5 + 3 + 2 - 2
= -5a + 8
Bonne soiree