Question

Is this simplified correctly?

(x^3 - 3x^2 + 2x) - (x^2 - 9)
x^3 - 3x^2 + 2x - x^2 + 9
x^3 - 3x^2 - x^2 + 2x + 9
x^2 - 4x^2 + 2x + 9

Answer 1

@nirmalnema ?

Answer 2

x^3 - 4x^2 + 2x + 9
it must be

Answer 3

Would this be the correct way of ordering the terms?
9 - 4x^2 + 2x + x^3

Answer 4

nops

Answer 5

How do you put them in order then?

Answer 6

in decreasing order of their power

Answer 7

So was the first answer already in order?