Solve x2 + 6x = 9 for x by completing the square. x = −6
x = 0
x equals plus or minus 3 times the square root of 2 minus 3
x equals plus or minus 3 times the square root of 2 plus 3

The answer is 270 cars.you can do this by making a proportional relationship. for instance, 200 is the whole we are using, so on a “number line” 200 would be over 100%. now, since he sells 35% more, add 35% to 100% to get 135% on the other side of the “number line” on the bottom half, leaving the top half empty.cross multiply 200 by 135 then divide by 100 to get your answer. i hope this , if it did, , if you don’t mind, giving me brainiest! 200/100% } 200 • 135 /100 ? /135%