Выражение 1) (в-3)*(в-+4)в квадрате 2) 20х+5(х-2) в квадрате

B2-4b-3b+12-b2-8b-16=0  -15b-4=0  -15b=4  b=-4/15    20x+5(x2-4x+4)=0  20x+5x2-20x-20=0  5x2-20=0  5x2=20  x2=4 x1=-2  x2=2

Ihave a rather complicated character. i can be quick-tempered, can be balanced. i also responsive and attentive. always help your loved ones. even if i can't fully help, i will try to do what the strength. all actions ponder long, weighing all the pros and cons. don't like to rush in serious matters, so i do not want people to laugh. i am very friendly, but do not accept self-interest in friendship. i think all level-headed person, although there are in me some anxiety and restlessness. i am often aggressive and resentful. offended at the slightest provocation, but quickly forgive wrongs and remember with a smile.

As for  my character, i think, i am a calm, well-tempered person and rather modest. i am not sure but my friends say that i have good sense of humour. actually, i love telling jokes and making my friends smile. i am quite sociable and talkative and i like being around people. i have a lot of friends and acquaintances. but sometimes i have those swings of mood when i feel sad and want to stay alone for some time. i think that’s quite ok because everybody has such moments. i like everything positive and when i have some problems i always try to find positive moments in them. i like to help people around and see how they become happy. i like kind, honest, polite, reliable and responsible people. and i hate when people are rude and aggressive. aggression is bad. такой подойдет?