If I am reading the question correctly it would come out to -6x+42 First do all the addition and squaring, then factor in that negative. You come out to -2x^3 +2x^3-4x-2x+25+5+9+3. The x^3's cancel, the -x's add to -6x, then all that other adds to 42.
A has 27,000 seats, B has 14,
200 seats, and C has 12,800 seats
3.75 divided by 3= 1.25
3.75-1.25= 2.50
Answer:
14

Step-by-step explanation:
you first have to move 4x to the right side and then add 20 yo the left side to get what i got