Question

The value of x2 - 5 if x= -1 is?​

Answer 1

Solution:

Given:-

x = -1

We have to find:-

x²-5

=(-1)²-5

=1-5

=-4

Thus, the value of x²-5 = -4

Answer 2

Answer:

-7

Step-by-step explanation:

2x-5 and x= -1

2* (-1) -5

-2 -5

-7