{x}^(2) + 10 - 21 = y Can someone explains me how to resolve?​

Question

`{x}^(2) + 10 - 21 = y`
Can someone explains me how to resolve?​

Answer 1

Explanation:

Answer 2

x²+10-21=y

x²-11=y

x²=11+y

if you put value y =-11 than it can be resolve

x²=11-11

x²=0

x=0