{"id":"site-2648/zad/8143","paper_id":"site-2648","number":"8143","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Suma wszystkich rozwiązań równania (x²-4)(x²-9)=0 jest równa A. (-13) B. 0 C. 5 D. 13","answer":null,"answer_text":null,"solution":null,"image":"img/site/2648/zad-8143.svg","solution_image":"img/site/2648/rozw-8143.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań","text_html":"<p>Suma wszystkich rozwiązań równania (x²-4)(x²-9)=0 jest równa A. (-13) B. 0 C. 5 D. 13</p>","solutions":[{"source":"site","label":"matematykaszkolna.pl","kind":"image","image":"/img/site/2648/rozw-8143.svg"}]}