Answers

  • Brainly User
2016-06-14T14:02:24+08:00
Factors:  Sum and difference of Two Terms ⇒ (a + b) (a - b)
Product:  Difference of Two Squares ⇒  a² - b²
Where a is the first terms and b is the second and last term

(a + b) (a - b) = a² - b²
(2h + 7) (2h - 7) = 4h² - 49

ANSWER:  4h² - 49
 
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