# Step-by-step Solution

## Solve the equation $y^2-y^1+y+1=0$

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### Videos

$y=\pm \sqrt{-1}$

## Step-by-step explanation

Problem to solve:

$Y^2-Y^1+Y+1=0$
1

Any expression to the power of $1$ is equal to that same expression

$y^2-y+y+1=0$
2

Subtracting $y$ and $y$

$y^2+1=0$

$y=\pm \sqrt{-1}$
$Y^2-Y^1+Y+1=0$