Question

Which of the following is the product of (3x − 5) and (3x + 5)?

Answer 1

`{9x}^(2) - 30x + 25`

Answer 2

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(3x + 5)(3x - 5)

By using identity

(a + b)(a - b) = a² - b²

3x² - 5²

9x² - 25