Question

The value of xsquar_5 at=_1is

Answer 1

☆ To find:-

The value of x²-5 if x = (-1).

☆ Now,

By putting the value of x we get.

=》 (-1)² - 5

= {(-1)×(-1)} -5

{Since (-)×(-) = +}

= 1 - 5

= -4

Therefore x² 5 = -4 when x = (-1).

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Answer 2

Step-by-step explanation:

(-1) 2 -5

(-1)×(-1)

since (-)×(-)= +

=1-5

= -4