Help me.Help me.Help me.

Question

Help me.Help me.Help me.

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Answer 1

1)(m+3n)(m^2-3mn+9n^2)
2)x(x-8y)(x+8y)
3)-3(9-6a+a^2)
4)2(a+5)(b-1)
5)(a-2)(a+2)(a^2+4)

Comments

Что ознасает ^ ?

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квадрат числа.

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спасибо