Предмет: Алгебра, автор: katusahromova52

разложить на множители уравнения :

х^+3х+2=0
х^+8х-9=0
15х^-11х+2=0
х^+9х+20=0​
х^-7х-30=0

DocAlfer: x^ d какой степени???
katusahromova52: во второй

Ответы

Автор ответа: ilovemyself200415
1

Объяснение:

точно также решаешь и другие

Приложения:
DocAlfer: допиши ей саму теорему Виета - не поймет
DocAlfer: засада с 3 и 4 кстати!
DocAlfer: 3 и 5 точнее
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