layan45 layan45

20-06-2021
Mathematics

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8. Expand (2a – 3b + 4c)2
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Respuesta :

Аноним Аноним

20-06-2021

Step-by-step explanation:

(2a–3b+4c)²=

4a²+9b²+16c²-12ab-24bc+8ac

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