помогите пожалуйста решить уравнения

помогите пожалуйста решить уравнения через дискриминант:

помооогииите плиззз
а) 4х²+8х-5=0
б) 3х²-5х+2=0
в) 2х²+14х-2014=0
г) 3х²-18х+1=0

 

срочно нужно

B11   For years the old town theatre was a failure. It was very expensive but not comfortable,and most of the plays

          performed were ______ .                                                                                                                                                             POPULAR  

B12  In an attempt to make it more ______ , they began putting on more comedies and well known,successful           COMMERCE

          dramas.

B13  Because the audiences were made up of ______  young people with low incomes and studfnts, discounted       MAIN

         tickets were introduced.

В14 In ______ ,there was the issue of the uncomfortable seating. Despite the huge cost, the old seats were ripped     ADD

       out and new ones installed.

B15 All of these measures made the theatre’s new owner rather ______ . Would there be enough new customers to    ANXIETY

       make up for all the money invested?

В16 But in ______ everything has worked out really well. Audiences are on average three times larger than before.       REAL     

        The theatre is now an outstanding success.             Помогите пожалуйста поставить слова в правильную форму!))

Помогите составить синквейн "Аркадий Иванович"))