elisrjass2 elisrjass2

06-09-2020
Mathematics

contestada

(3c2+6c+7)+(3c2+9c+5)

Respuesta :

jimrgrant1 jimrgrant1

06-09-2020

Answer:

6c² + 15c + 12

Step-by-step explanation:

Given

(3c² + 6c + 7) + (3c² + 9c + 5) ← remove the parenthesis

= 3c² + 6c + 7 + 3c² + 9c + 5 ← collect like terms

= 6c² + 15c + 12

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