Question

Slove by completing the square x^2+4x-5=0​

Answer 1

-5 & 1

Explanation:

[x² + 2(x)(2) + 2²] - 2² - 5 = 0

(x+2)² - 4 - 5 = 0

(x+2)² = 9

x+2 = +/- 3

x+2 = 3 x = 1

x+2 = -3 x = -5