$\"\"$

The sentence is “the difference between square of a number and 9 equals 27 " \ \

The word “difference” indicates multiplication symbol “ $\"\"$ ” \ \

The word “equals” indicates the symbol “ $\"\"$ ”

Let x = number $\"\"$

Rewrite the sentence into expression as,

$\"\"$

The equation is $\"\"$ . $\"\"$

The equation is $\"\"$ .