Question

please solve this by using factor theorem​

Answer 1

Step-by-step explanation:

Using Middle term splitting,

x² + 4x - 5

= x² + 5x - x - 5

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

= (x-1)(x+5)

Answer 2

Answer:

x²+4x-5

x²+5x-x-5=0

x(x+5)-1(x+5)=0

(x-1)(x+5)=0

x-1=0

x=1

x+5=0

x=-5