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LAMIAA2004
@LAMIAA2004
May 2019
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Svp aidez moi à développer et réduire ses expressions: A: (5+a)(a-3) - 4 (a-1) - (a+3)(a-5)
B: -(3a+2)-4 (a-b) + 4b - a (b+2)
C'est trop facile juste essaier
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hyppolite
Verified answer
A:(5+a)-4(a-1)-(a+3)(a-5) =(5+a-4a+4)-(a²-5a+3a-15) =9-3a-a²+5a-3a+15 =-a²-a+24
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inequation
C'est faux!
inequation
Bonsoir
A: (5+a)(a-3) - 4 (a-1) - (a+3)(a-5)
A= 5a+a²-15-3a-4a+4-(a²+3a-5a-15)
A= -2a+a²-11-a²+2a+15
A= 4
B: -(3a+2)-4 (a-b) + 4b - a (b+2)
B= -3a-2-4a+4b+4b-ab-2a
B= -9a + 8b - ab - 2
1 votes
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SvP j'Ai BeSoIn De VoTrE aIdE eT mErCi D'aVeNcE
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Verified answer
A:(5+a)-4(a-1)-(a+3)(a-5) =(5+a-4a+4)-(a²-5a+3a-15) =9-3a-a²+5a-3a+15 =-a²-a+24A: (5+a)(a-3) - 4 (a-1) - (a+3)(a-5)
A= 5a+a²-15-3a-4a+4-(a²+3a-5a-15)
A= -2a+a²-11-a²+2a+15
A= 4
B: -(3a+2)-4 (a-b) + 4b - a (b+2)
B= -3a-2-4a+4b+4b-ab-2a
B= -9a + 8b - ab - 2