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Simplify the expression:

[tex]35x^2 - 1[/tex]

Answer :

We start with the expression

[tex]$$35x^2 - 1.$$[/tex]

A common approach for factoring such expressions is to check if it can be written as a difference of two squares. Notice that

[tex]$$35x^2 = (\sqrt{35}\,x)^2 \quad \text{and} \quad 1 = 1^2.$$[/tex]

Thus, using the difference of squares formula

[tex]$$a^2 - b^2 = (a - b)(a + b),$$[/tex]

one could write

[tex]$$35x^2 - 1 = (\sqrt{35}\,x - 1)(\sqrt{35}\,x + 1).$$[/tex]

However, because [tex]$\sqrt{35}$[/tex] is irrational, this form is not expressed with rational coefficients. In many contexts (such as when factoring over the set of rational numbers), the expression

[tex]$$35x^2 - 1$$[/tex]

is considered already to be in its simplest factorized form.

Therefore, the final answer is:

[tex]$$35x^2 - 1.$$[/tex]

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