D isn't congruency but similarity
Step-by-step explanation:
Everything else seems like it is congruent but I believe that AA is for similarity not congruency.
or
step-by-step explanation:
we need to solve for 'x' the following equation:
we have that:
⇒
⇒ ⇒
factorizing, we get that:
then, the solutions are: or
nothing extraneous has been found!