What is the expression in factored form? 9 x 2 − 4

Expressions can be reduced to the lowest term by factoring them.

The factored form of is

The expression is given as:

Express 9 and 4 as squares

Apply the difference of two squares

Hence, the factored form of is

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(3x - 2)(3x + 2)

Step-by-step explanation:

9x² - 4 ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b)

Thus

9x² - 4

= (3x)² - 2²

= (3x - 2)(3x + 2) ← in factored form

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x