james234886 james234886
  • 16-12-2018
  • Mathematics
contestada

5b2-10b-15 factor this

Respuesta :

jimrgrant1 jimrgrant1
  • 16-12-2018

Answer:

5(b - 3)(b + 1)

Step-by-step explanation:

take out a common factor of 5

= 5(b² - 2b - 3)

to factor the quadratic consider the factors of - 3 which sum to - 2

These are - 3 and + 1, thus

= 5(b - 3)(b + 1)


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