Question

The value of x²-5 at x=-1 is
a. -2
b. -1
c. -4
d. -5

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Answer 1

Step-by-step explanation:

Put x=1

X^2 -5

('1)^2-5

1-5

=-4

Therefore option C is corr correct

Answer 2

$\huge\bf\green{Hello}$

Given :-

• x = -1

To find:- Value of x²-5

$\large\bf\underline\blue{SolutioN}$

⇒ x²- 5

• Put x = -1

⇒ (-1)²-5

⇒1 - 5

⇒ -4

Therefore, Value of x²- 5 = -4