Предмет: Алгебра, автор: sasha31132

а) 5а(2а+4а-3) б) 4а(5-6а+3а. в). 0,8x(7-8x+9x). г). -1,5x(4x-6,4x+7). д). 6x(4-5x)+3(10x-6x)-6(x-3). e). x-2(x-3(x+4))+5

Ответы

Автор ответа: 10101121
0

а) 5а(6а-3)*6

   30а(6а-3)

   180а²-90а

б) 4а(5-3а)

   20а-12а²

в) 0,8х(7+х)

   5,6х+0,8х²

г) -1,5х(-2,4х+7)

    3,6х²-10,5х

д) 24х-30х²+3*4х-6х+18

    24х-30х²+12х-6х+18

    30х-30х²+18

     -30х²+30х+18

е) х-2(х-3х-12)+5

   х-2(-2х-12)+5

   х+4х+24+5

   5х+29


   

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