Answer:
12x2+12x+1=0
Step-by-step explanation:
well first you need to add all the x's and add your additional numbers, keep all +'s signals and then minuse the addition numbers which makes your anserw negitive and then divide your ansew by your x.
14/21 = 2/3 because you can divide them both by 7
Answer:
259
Step-by-step explanation: