Răspuns:
[tex]x = 4 \sqrt{18 } - \sqrt{32} = 4 \sqrt{ {3}^{2} \times 2 } - \sqrt{ {2}^{5} } = 12 \sqrt{2} - 4 \sqrt{2} = 8 \sqrt{2} [/tex]
[tex]y = - \sqrt{24} - 2 \sqrt{54} = - \sqrt{ {2}^{3} \times 3} - 2 \sqrt{ {3}^{3} \times 2 } = - 2 \sqrt{2 \times 3} - 6 \sqrt{3 \times 2} = - 2 \sqrt{6} - 6 \sqrt{6} = - 8 \sqrt{6} [/tex]
Sper ca te-am ajutat!
