solution set

Question

Solve. 

7x^2-20x-3=0

Select the correct choice below and, if necessary, fill the answer box to complete your choice. 

A. The solution set is __. 

B. There is no solution. 

 

help is greatly appreciated, thank you!

Answer 1

7x^2-20x-3=0

factor

(7x    )(x   3)=0 so far

(7x+1)(x-3)=0

set each factor equal to 0

7x+1=0

7x=-1

x=-1/7

x-3=0

x=3

A. the solution set is -1/7, 3