Question

6. Помогите пжпжпжпжп)0)00))

Answer 1

6. а) 4х^2у^2-9а^4=(2ху-3а^2)(2ху+3а^2)
б) 25а^2-(а+3)^2=(5а-(а+3))(5а+(а+3))=(5а-а+3)(5а+а+3)=(4а+3)(6а+3)=(4а+3)×3(а+1)=3(4а+3)(а+1)
в) 27m^3+n^3=(3m+n)(9m^2-3mn+n^2)

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