help with what? be sure to put everything you need to say into a question
15x2+10x-9x+7
8x3+20x2+3x+12
11x4+4x2-6x2-16
Hope this helps !!
Answer: 3/5 probability of choosing a number LESS THAN 8
I don't understand your language and I don't know which language is this but I try to answer your question. 3-1000-3*100*4*1
3-1000-1200
3-2200
=-2197