What are the solutions of the following quadratic equation?

Science & Mathematics by Anonymous 2018-06-23 19:01:42

Social Science

4 answers

(5x + 8)^2 + 7 = 0

Anonymous

There are no real solutions to the given quadratic equation because its discriminant is less than 0
Anonymous

(5x + 8)^2 + 7 = 0 (5x + 8)^2 = -7 5x + 8 = i√7 or 5x + 8 = -i√7 x = (-8 + i√7)/5 or x = (-8 - i√7)/5
Anonymous

(5x + 8)² + 7 = 0 ---> no real solution
Anonymous

5x + 8 = +/- i*sqrt(7) => x = -8/5 +/- (i/5)*sqrt(7).