The factors of the given expression are x , x - 2 and x - 4
So the expression for height and length are x and x - 4
A,b are both 45 degrees
c, d are both 90 degrees
add it all together 270 degrees
First you have to follow the rule PEMDAS, which would mean doing 3×6, which would get you 18, with that,you do 3-18 and you would get -15, then you would do -15 + 2 and get -13. fyi, PEMDAS is parentheses, exponents, multiplication, division, addition, and subtraction, you also always go from right to left in an equation or expression.