Question

Solve the quadratic equation x² + 4x − 5 = 0 by method of completing the square.​

Answer 1

Answer:

1,-5

Step-by-step explanation:

x2 + 4x = 5

x2 +2 × 2x + 4 = 9

(x+2)^2 = 3^2

x+2=3. or x+2 = -3

x=1. or x=-5