Question

Represent the following sentence as an algebraic expression, where "anumber" is the letter x. You do not need to simplify.2 is subtracted from the square of a number.

Answer 1

Given:

Consider the number as x.

The objective is to represent algebraic expression for, 2 is subtracted from the square of a number.

Explanation:

Since the number is given as x, the square of the number can be represented as,

$\text{Square of the number= x}^2$

Now, subtract 2 from the above expression,

$=x^2-2$

Hence, the required expression is x²-2.