Guys i need help this is due by tomorrow!!

Could somebody me with this radical simplification?

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by

Rationalize the denominator- 12x/√x-10