Hello there,
I hope so far you and your family are staying safe and healthy.
0 = y² - x - 4y + 3
We need to start by isolating x to the left side of the equation. But let's rewrite the equation first.
y² - x - 4y + 3 = 0
-x = -y² + 4y - 3
Now multiply each term by -1
x = y² - 4y + 3
x = (y - 2)² - 1
I hope this answer helps you understand the homework. Let me know if you have any questions about the answer.