{"id":"site-2642/zad/7240","paper_id":"site-2642","number":"7240","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Wyrażenie 16-(3x+1)² jest równe A. (3-3x)⋅(5+3x) B. (15-3x)² C. (5-3x)⋅(5+3x) D. 15-9x^2","answer":null,"answer_text":null,"solution":null,"image":"img/site/2642/zad-7240.svg","solution_image":"img/site/2642/rozw-7240.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>Wyrażenie 16-(3x+1)² jest równe A. (3-3x)⋅(5+3x) B. (15-3x)² C. (5-3x)⋅(5+3x) D. 15-9x^2</p>","solutions":[{"source":"site","label":"matematykaszkolna.pl","kind":"image","image":"/img/site/2642/rozw-7240.svg"}]}