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17-12-2020
Mathematics

contestada

3^(x+3) + 3^(x-1) = 4^(x+6)

Respuesta :

seyiayodele69 seyiayodele69

17-12-2020

Answer:

Step-by-step explanation:

x^3 + 9 + x^3-1 = x^4 +1296

2x^3 + 8= x^4 +1296

2x^3- x^4 = 1296-8

2x^3- x^4= 1288

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