Graph: 2x-y=4 a actual graph

X = horizontal line
Y = vertical line
Plot 2x by going up 2 spaces from the horizontal line, this should be on the top right side.
Plot 4 downwards on the vertical line by going four spaces down. Because the y is negative.

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,