josephbonadeo
josephbonadeo
21-01-2020
Mathematics
contestada
(x2 + 10x + 21) - (x + 7)
Respuesta :
petya10
petya10
22-01-2020
Answer:
11x+14
Step-by-step explanation:
(2x+10x+21)-x-7 = 12x+21-x-7 = 11x+14
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