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## Homework Statement

8i = ( 2x + i ) (2y + i ) + 1

The final answers is [x =0, 4]

[y=4, 0]

## Homework Equations

## The Attempt at a Solution

The final answer in the book is stated as above but if I follow the solution I will get the real parts which would

Equal 0=4xy meaning that both x and y when solving for either wil equal zero. If I continue the result I will get is

[X= 0, Y= 4]

I get one solution instead of 2 as provided in the book..