Question

x^2₌₁₆

 

Answer 1

x=4

Answer 2

⇒x=4

Answer 3

4

Answer 4

x=4

Answer 5

x²=16

\(\sqrt{x^2}\)=\(\sqrt{16}\)

x=4

Answer 6

4

Answer 7

\(^{x^2=4^2=\left(-4\right)^2\Rightarrow x=4=\left(-4\right)}\)

Answer 8

 x^2₌₁₆

^_x2=4²

^{suy ra x=4}

Answer 9

\(x^2=16\)

\(\Rightarrow x=4\)