Answer:
Difference = 206 - 154.5 = $51.5
In short, Your Answer would be: $51.5
9x^3 - 8x^2 is the answer. to solve this you must distribute the sign across each parenthetical and then add the like terms (all cubed x variables added to cubed variables and all squared x variables added to squared variable)
Just break it down into simple numbers
Answer:
5< 10x -3
add like terms first
make sure X's are on one side and numbers on the other