hello im doing this assignment where i find the sides of the triangle. i just want help on this girst triangle. im looking for a. im assuming the number in the middle goes to the long leg. please explain in detail how you got the answer​

Y=-2x-6 is the answer

Ujjg

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,

Iam unsure about what the proof is, therefore as much as wish to i can not.