Multiply (x-3)(4x+2) using the foil method

Given right triangle xyz, which correctly describes the locations of the sides in relation to

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

Finding tbe values of the variables in each kite