Arrange the parabolas represented by the equations according to the positions of their foci on the coordinate plane, starting with the farthest left and ending with the farthest right.

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,

Y=-3x is the correct answer