Помогите,срочно!!!!!!!!!!!!!!!!!!!!!!

Question

Помогите,срочно!!!!!!!!!!!!!!!!!!!!!!

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Answer 1

3ax³-9a³x
выносим
15а^7х^7×(х^2-3а^2): 5a^6x^6
сокращаем на 5a^6x^6
3ax×(x^2-3a^2)= 3ax³-9a³x