Question

X square + 3 root 2 X + 4

Answer 1

here is the answer for your question

Answer 2

${x}^{2} + 3 \sqrt{2} \: x + 4 = 0 \\ \\ = > {x}^{2} + 2 \sqrt{2} x + \sqrt{2} x + 4 = 0\\ \\ = > x(x + 2 \sqrt{2} ) + \sqrt{2} (x + 2 \sqrt{2} ) = 0 \\ \\ = > (x + 2 \sqrt{2} )(x + \sqrt{2} ) \\ \\ \\ \\ \\ x + 2 \sqrt{2} = 0 \\ \\ = > x = - 2 \sqrt{2} \\ \\ \\ \\ x + \sqrt{2} = 0 \\ \\ = > x = - \sqrt{2}$



$\huge\boxed{Answer = - 2 \sqrt{2} \: and - \sqrt{2} }$