разложите на множители:Хочу проверить,

3х(x-1)-2(1-x)=

4ab-8ac+b^2-2bc=

Здраствуйте!!!Пожалуйста,расставьте нужные слова(*) по местам и переводите текст на русский язык.

Вот нужные слова:tickets,fruit,money,winter,food,foreing,holiday,farm,parents,people. Текст:GAP YEAR TRAVEL  

     Many young people in britain have a gap year between school and university.They often spend a few months working and then use the (*) to travel.Some of them have a working (*) ,earning money and visiting a (*) country at the same time.It's easy for young people to get jobs working in ski resorts in the (*) ,or on farms ,picking (*) in the summer and autumn.

Some  people on a gap year do voluntary uork, helping other (*) overseas.They have to pay for their plane (*) and they don't get money for their work,but while they are working,their (*) and accommodation are free.Africa became a popular place for gap year students to work when Britan's Prince Harry went there as a volunteer in 2004.He worked in Lesotho with children whose (*) have died.He also spent part of his gap year in Australia where he worked on a (*).

Катер за 4 часа ПРОШЁЛ 104 км. За сколько времени он пройдёт 174 км,если увеличет скорость на 3 км/ч

СРОЧНО!!! помогите решить Пожалуйста))) баллов больше нет...

4x^4 + 4x^2 - 15 = 0