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

Ответ

Ответ дан
Golovolomka2222

3) frac{4 -  {x}^{2} }{10 - 5x}  =  frac{ {2}^{2} -  {x}^{2}  }{10 - 5x}  =  frac{(2 - x)(2 + x)}{5 times (2 - x)}  =  frac{2 + x}{5}

9) frac{4 {x}^{2}  -  {y}^{2} }{(6x  - 3y {)}^{2} }  =  frac{(2x - y)(2x + y)}{(3(2x - y {))}^{2} }  =  \  =  frac{(2x - y)(2x + y)}{ {3}^{2}(x - y {)}^{2}  }  =  frac{2x + y}{9(2x - y)}

Ответы и объяснения

Не тот ответ, который тебе нужен?


По всем вопросам пишите на - [email protected]