Help please.
Emily collects and trades rocks. She starts with 8x2 rocks, for some number x, and then buys 7x4 She then trades away x, then gives away 9x, and
finally sells another 5 rocks Write an expression for the number of rocks Emily now has in standard form
A-9x + 8x2 + 7X4 - 5 - 5
B. 8x2 - 5 + 7x4 - 9x - 45
C-X5 + 7x4 + 8x2 - 9x - 5
D. -5- 9x + 8x2 + 7x4- X5