Explain how you would factor 9x^2 – 49 show your work and use complete sentences. what is this special type of factoring called?

1 answer:

3 0

9x² - 49

(3x)² - (7)²

= (3x + 7)(3x - 7)

This type of factoring is called Difference of Two Squares

where x² - y² = (x + y)(x - y)

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