willow41 willow41
  • 12-11-2018
  • Mathematics
contestada

(x-2)e2/3=49
[tex](x - 2) ^{2 \div 3} = 49 [/tex]

Respuesta :

jdoe0001 jdoe0001
  • 12-11-2018

[tex]\bf (x-2)^{2\div 3}=49\implies (x-2)^{\frac{2}{3}}=7^2\implies \stackrel{\textit{raising both sides by }\frac{3}{2}}{\left( (x-2)^{\frac{2}{3}} \right)^{\frac{3}{2}}=(7^2)^{\frac{3}{2}}} \\\\\\ (x-2)^{\frac{2}{3}\cdot \frac{3}{2}}=7^3\implies (x-2)^1=7^3\implies x=7^3+2\implies x=345[/tex]

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