Question

2x^5 + 2 = 4

Answer 1

Lời giải:

$2x^5+2=4$

$\Leftrightarrow 2x^5=2$

$\Leftrightarrow x^5=1$

$\Leftrightarrow x=1$

Answer 2

\(2x^5+2=4\)

\(\Leftrightarrow2x^5=2\)

hay x=1