3 years ago

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

Mathematics

2 answers:

attashe74 [19]3 years ago

5 0

Answer:

(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

dexar [7]3 years ago

3 0

Answer:

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

Step-by-step explanation:

I'm smart, also I have A+ in all of my classes.

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Step-by-step explanation:

We need to solve the inequality: $23>4n+11$

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