Question

Aflati x:(3x) la putera 5=9 la putera 5 ×3 la puterea 2×3 la puterea3

Answer 1

   
[tex]\displaystyle \\ \left(3x\right)^5=9^5 \times 3^2\times 3^3 \\ \\ 3^5 \times x^5 = 9^5 \times 3^{2+3} \\ \\ 3^5 \times x^5 = 9^5 \times 3^5 \\ \\ x^5 = \frac{9^5 \times 3^5}{3^5 } \\ \\ x^5 = 9^5 \\ \\ \boxed{x=9}[/tex]