Question

3^x . 2^x = 216

Answer 1

\(3^x\cdot2^x=216\\ \left(3\cdot2\right)^x=216\\ 6^x=216\\ x=3\)

Answer 2

\(3^x.2^x=216\)

\(\Rightarrow\left(3.2\right)^x=216\)

\(\Rightarrow6^x=6^3\)

\(\Rightarrow x=3\)

Vậy x = 3

Answer 3

3^x.2^x=216

(3.2)^x=216

6^x=216

6^x=6³

=>x=3

=>3³.2³=216

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Answer 4

\(3^x\times2^x=216\)

\(\Rightarrow\left(3\times2\right)^x=216\)

\(\Rightarrow6^x=216\)

\(\Rightarrow6^x=6^3\)

\(\Rightarrow x=3\)

Vậy \(x=3\)