The expression four less than a number squared will be (4 - x)².
What is an expression?
A mixture of variables, numbers, addition, subtraction, multiplication, and division are called expressions.
An expression is a mathematical proof of the equality of two mathematical expressions.
A statement expressing the equality of two mathematical expressions is known as an equation.
Let's say that number is x
4 less than x means
x - 4
Now square of x - 4 will be
⇒ (4 - x)².
Hence "The four less than a number squared will be (4 - x)²".
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