Предмет: Алгебра, автор: Olyamernova

Вычислить:
а) (-0,5)²+0,3
б) 5а²*(3а²+4)-3*4а(12а-13)

Ответы

Автор ответа: Алекс2512
0
А) (-0,5)2+0,3=1+0,3=1,3
Б) 5а2*(3а2+4)-3*4а(12а-13)=15а4+20а2-12а(12а-13)=15а4+20а2-144а2-156=5а4-124а2-156
Автор ответа: Алекс2512
0
под буквой б в конце выходит биквадратное уравнение
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