Question

TÌM X,CHO BIẾT

(2x+1)³=125

Answer 1

\(\left(2x+1\right)^3=125\)
\(\Leftrightarrow\left(2x+1\right)^3=5^3\)
\(\Rightarrow2x+1=5\)
\(\Rightarrow x=2\)

Answer 2

\((2x + 1)^3 =125\)

\((2x + 1)^3 = 5^3\)

\((2x + 1) = 5 \)

\(2x = 4\)

\(x = 2\)