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Termes semblables: 2·100 + 3·100 = (2 + 3)· 100 = 5· 100 | 
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Got it ! Simplifier: $2(3a+1) - (4+2a)0,5$ = $(1+x)x-2$ = $-a^2 + (1-2a)(1-2a)) $ = $a(a+1)^2 - (a-1)$ =
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Termes semblables: 2·100 + 3·100 = (2 + 3)· 100 = 5· 100 |
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Got it ! Simplifier: $2(3a+1) - (4+2a)0,5$ = $(1+x)x-2$ = $-a^2 + (1-2a)(1-2a)) $ = $a(a+1)^2 - (a-1)$ =