Question

If 11 is added to the square of a number, the result is 92

Answer 1

Algebraic expression ; 11+x^2 =92

Solved answer = 9

Explanation:

Let the unknown number be x ;

`11 + x^2 = 92`

Solve for x ; Collect like terms ;

`x^2 = 92-11\\\\x^2 = 81`

Square root both sides ;

`√(x^2) = √(81) \\\\x = 9`