Предмет: Алгебра, автор: 1523даша

преобразуйте выражение в многочлен:

а)(5а+7б)-в квадрате.==...

 

б)(0,4-х)-в квадрате=...

 

в)(рп-р- во 2 степени/2)-во 2 степени.

 

г) (-3-х)-во 2 степени.

Ответы

Автор ответа: VanillaIce19
0

(5а+7б)^2=25а в квадрате + 70аб+49б в квадрате

(0,4-х)^2=0,16+0,8х+х в квадрате

в - не знаю

(-3-х)^2=x в квадрате + 6х+9

Автор ответа: умник9
0
А) (5а+7б)(5а+7б)
б) (0,4-х)(0,4-х)
в) (-3-х)(-3-х)
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