2 years ago

Find the value of this expression if x=-7. x^2 -1 /x+4

Mathematics

1 answer:

belka [17]2 years ago

6 0

Answer:

-16

Step-by-step explanation:

x^2 -1 /x+4

By putting the value of x in the expression as x = -7

= (-7)^2 - 1/ -7 +4

= (+49) - 1/ -3

= 48/-3

= -16

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