Question

2a+ 4 = 0 ; a= 2, 2, 1.
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Answer 1

Answer:

-2

Step-by-step explanation:

2a+4=0

2a=-4

a=-4/2

a=-2

Answer 2

Answer:

2a+4 = 0

by putting a = 2 we get,

= 2×2+4 = 0

= 4+4

= 8

by putting a = 2 we get,

= 2×2+4

= 8

by putting a = 1 we get,

= 2×1+4

= 2+4

= 6

I hope this answer will help you.