140k views
3 votes
What is the solution set of 7 x2 + 3 x = 0? {0, 3/7} {0, -3/7} {0, -4/7}

User Matthewek
by
7.8k points

1 Answer

3 votes

Answer:


{ \tt{7 {x}^(2) + 3x = 0 }} \\ { \tt{x(7x + 3) = 0}}

Either x = 0 or ( 7x + 3 ) = 0 :


{ \tt{7x + 3 = 0}} \\ { \tt{x = - (3)/(7) }}

Answer:


{ \bf{(0, \: - (3)/(7)) }}

User Kamran Shahid
by
6.8k points