Question

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

Answer 1

Answer:

Algebraic expression ; 11+x^2 =92

Solved answer = 9

Step-by-step 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 ;

$\sqrt{x^2} = \sqrt{81} \\\\x = 9$