Question

x ² + 4x - 5 = 0 , x = 1,-1​

Answer 1

Answer:

What is the question ?...

Answer 2

Answer:

Given

x2+4x-5=0

First we substitute 1 in the place of X

so, (1 square +4*1-5) =

1+4-5=0

5-5=0

Next we substitute -1 in the place of X

-1 square+4(-1)-5

1-4-5

1-9

= -8

Step-by-step explanation:

This is your answer

Hope it helps you.