Question

A number is squared and added to the product of six and the number to give a result which is five more than the product of two and the number.

Answer 1

Let x be the unknown number. Then, "A number is squared and added to the product of six and the number " is written mathematically as

$x^2+6x$

and "five more than the product of two and the number" is written as

$5+2x$

Therefore, the answer is

$x^2+6x=5+2x$