aleisariley21 aleisariley21
  • 03-11-2020
  • Mathematics
contestada

How to factorize the following expression?
pqr + pr + q + 1​

Respuesta :

jimthompson5910 jimthompson5910
  • 03-11-2020

Answer:  (pr + 1)(q + 1)

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Work Shown:

Use the factor by grouping method to get the following.

pqr + pr + q + 1​

(pqr + pr) + (q + 1​)

pr(q + 1) + 1(q + 1)

(pr + 1)(q + 1)

We can use the FOIL rule, distribution, or the box method to expand out  (pr+1)(q+1) to get the original expression again. This helps confirm the answer.

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