-x( x +99)+ ( x+10)( x-10) при х=8/9
Sasha1230981
2
04.09.2020 13:51
73
Другие вопросы по теме Математика
Shamorinka
29.01.2022 00:37
vladdobryj071
29.01.2022 00:37
RusskikhDaria
29.01.2022 00:37
Brokenheart94
29.01.2022 00:36
камилия23
29.01.2022 00:36
matveiarzhanoff
29.01.2022 00:32
Гомункулис
29.01.2022 00:29
София5778
29.01.2022 00:29
диана2440
29.01.2022 00:28
jolytalib
29.01.2022 00:28
Популярные вопросы
- Match the headings (A-H) to the paragraphs (1-7 ). There is one heading that you...
2 - Circle the correct word. 1 Mrs. Evans is very active for an elderly woman. a elderly...
3 - You and a friend have decided to go travelling together and would like to do something...
3 - Complete the table with the male/female equivalent, as in the example....
3 - Read the exchanges and fill in the gaps with words from the list below. 1 A: I m...
2 - Listen and read the text again. Match the underlined words to their synonyms below....
1 - In three minutes write a few sentences on the topics. Remember to give reasons....
2 - Match to form exchanges. 1 Can I take two pieces of hand luggage? 2 That s not what...
3 - Listen to the radio programme and fill in the gaps on the form below. Caller s complaint:...
3 - Complete the phrasal verbs with the correct particle. 1 Tom paid his bill and checked...
2
-12.
Пошаговое объяснение:
Найти значения выражения:
-x(x+99)+(x+10)(x-10)= при х= -8/9
Раскрыть скобки:
= -х² - 99х + х² - 100=
= -99х - 100=
= -99 * (-8/9) - 100=
=88 - 100= -12.