Answer:
Algebraic expression ; 11+x^2 =92
Solved answer = 9
Step-by-step explanation:
Let the unknown number be x ;
[tex]11 + x^2 = 92[/tex]
Solve for x ; Collect like terms ;
[tex]x^2 = 92-11\\\\x^2 = 81[/tex]
Square root both sides ;
[tex]\sqrt{x^2} = \sqrt{81} \\\\x = 9[/tex]
