This question is pertaining to College Algebra

Question

Write the solution set in interval notation

 

1) (x - 5)^2 (x + 1) < 0

Answer 1

(x - 5)²(x + 1) < 0

(x - 5)² > 0,

therefore

x + 1 < 0

x < -1

(∞, -1)