|x+3|разделить на x-5=0

ПОЖАЙЛУСТА ПОМОГИТЕ! 

Fill in the gaps in the following text with an approriate verb in the correct from from the word box.

   1.to fit   2.to go with   3.to match  4.to suit

Shopping for clothes is hard work.You try something on-it does`t (1)________ because of its size. If someting is the right size, the colour doesn`t (2)________ you. You try somethin else- the colour does`t (3)_________ the colour of your eyes. You try a hft but it doesn`t (4)________ you/ It`s easy to waste a lot of time and end up with hothing at all

помогите выполнить умножение

(3а-5b)*(3a+5b)

2х-7y=-14;3х+2у=-14 Решить систему методом сложения