Bonjour,
1) 2a(a+3) + 2a + (2a)²
2) = 2a²+6a+2a+4a² = 6a²+8a
3) = 2a(3a+4)
4) 3a+4
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Bonjour,
1) 2a(a+3) + 2a + (2a)²
2) = 2a²+6a+2a+4a² = 6a²+8a
3) = 2a(3a+4)
4) 3a+4