In the triangles, bc =de and ac efe.
if m< c is greater then ab is df

o congruent to
o longer than
shorter than
the same length as

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,

X=3 and y=4 is the answer