Triangles DEF and D'E'F' are shown on the coordinate plane below: What rotation was applied to triangle DEF to create triangle D'E'F'?

Answer choices:
90° counterclockwise
90° clockwise
None of the above
180°

90 degrees counterclockwise

The answer would be a i think

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,