search points attachment profile arrow left arrow right star heart verified symbols equation arrow-down question mark check menu accountancyadministrationagriculturalalgebraallarabicartart_musicbelarusbelarus_altbiologybusinesscatalachemistrychineseeconomicsegzamenglishentrepreneurshipenvironmentethicseuskarafirst_aidfrenchgalegogeographygeologygeometrygermangrammarhealthhistoryindia_langindonesian_langinformaticsitalianjapanesekazachkazach_altkoreanlanguagelatinlawlife_scienceliteraturelogicmathematicsmusicnigerian_langother_languagesotherspedagogicsphilosophyphysical_educationphysicspoliticspsychologyreligionrpa_langrussianrussian_altsciencesecurityskillssocial_sciencesociologyspanishstatisticstechnologytourismtrafficukrainianukrainian_altukrainian_literaturewos_civilisation accountancyadministrationagriculturalalgebraall_1arabicartart_music_2belarusbelarus_altbiologybusiness_2catalachemistry_1chineseeconomicsexam_3englishentrepreneurshipenvironment_2ethicseuskarasecurity_1frenchgalegogeography_4geology_4geometrygermangrammarhealthhistoryindia-langindonesian-langinformaticsitalianjapanesekazachAsset 230koreanlanguagelatinlawlife-scienceliteraturelogic_2mathematicsmusicnigerian-langotherlanguagesother_1pedagogicsphilosophyphysical_educationphysicspoliticspsychologyreligion_1rpa-langrussianrussian_altsciencesecurity_3_mskills_1allsocial_science_5_msociologyspanishstatisticstechnologytourismtrafficukrainianukrainian_altukrainian_literaturewos_civilisation
Автор - Kristino4kaMiy

Помогите решить 9 класс
(frac{x-2}{x+2} - frac{x+2}{x-2}): frac{8x}{x^{2}-4 }

Ответ

Проверено экспертом

Автор - kruglenkonata804

Ответ:

1) это в скобках

((х-2)(х-2)-(х+2)(х+2))/(х+2)(х-2)=

=(х^2-4х+4-х^2-4х-4)/х^2-4=-8х/х^2-4

2)это деление скобки на дробь

-8х/х^2-4 : 8х/х^2-4=-8х(х^2-4)/8х(х^2-4)=

= -1

Ответы и объяснения

По всем вопросам пишите на - vashurokk@rambler.ru
© 2025 Все права защищены