Question

X radical din 8-4x totu la adoua

Answer 1

=8$x^{2}$-8$\sqrt{8}$$x^{2}$+16$x^{2}$=24$x^{2}$-8$\sqrt{8}$$x^{2}$=8$x^{2}$(3-$\sqrt{8}$)=8$x^{2}$(3-2$\sqrt{2}$)