Question

{x:x is an integer and x + 2 = 0}​

Answer 1

Answer

C = (x:x is an integer; x

2

≤4 )

It can be seen that

(−1)

2

=1≤4;(−2)

2

=4≤4;(−3)

2

=9>4

0

2

=0≤4

1

2

=1≤4

2

2

=4≤4

3

2

=9>4

∴C=−2,−1,0,1,2

Answer 2

Answer:

x=2

Step-by-step explanation:

x+2=0

x=2

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