Question

*Which of the following is the root of equation ² + 4x - 5 = 0?*

1️⃣ 1
2️⃣ -1
3️⃣ 3
4️⃣ 5​

Answer 1

Answer:

x²+4x-5

x²+5x-x-5

x(x+5)-1(x+5)

(x-1)(x+5)