Ответ:
[tex]1)4 {a}^{2} + {a}^{2} b - 6 {a}^{3} [/tex]
[tex]2)3ab + {b}^{2} [/tex]
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Ответ:
[tex]1)4 {a}^{2} + {a}^{2} b - 6 {a}^{3} [/tex]
[tex]2)3ab + {b}^{2} [/tex]