Question

2(0,5-x)^3=0,25

Answer 1

  

Answer 2

2(0,5-x)³=0,25

⇔(0,5-x)³=0,125

⇔(0,5-x)³=0,5³

⇔0,5-x=0,5

⇔x=0

Answer 3

\(2\left(0,5-x\right)^3=0,25\\ \Leftrightarrow\left(0,5-x\right)^3=0,125\\ \Leftrightarrow\left(0,5-x\right)^3=0,5^3\\ \Leftrightarrow0,5-x=0,5\\ \Leftrightarrow x=0\)