What is 14x3-45x2-28x-4 divided by 7x plus 2?

What numbers go into 128 7 times? Why are variables important(math)? What positive number when squared gives you 25? In a gm ABCD the bisector of angle A also bisect BC at X. Prove tht AD2 AB? What is 19 yards equal to in inches? What is the factored form of y equals 3x plus 21x squared? Is one and five eighths a rational number? How many significant numbers are in 6051.00? How much would 100 liters of clothes be as pounds? What percent of 140 is 123.2? What does 0.125mcg equal in milligrams? What is the least three-digit odd number that has the factors 3 5 7? How do you factor 12y squared plus 11y plus 2? What does the beginning of the circle of life mean? What the numeral number for the roman numeral dcxl? How many inches does 3 yards have? How do you convert miles per hour squared to meters per second squared? What is the definition of the word mean math related? Does a kite have an obtuse angle? How can you apply quantum numbers to real life?