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babenkosasha123987

Ответ:

б ) х²+6х-8х-48

х(х+6)-8(х+6)

(х+6)×(х-8)

г) 4х²+8х+3х+6

4х(х+2)+3(х+2)

(х+2)×(4х+3)

е) 2²х2+2×2х×9+9²

(2х)²+2×2х×9+9²

(2х+9)²

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