Question

Which expression is equivalent to
(
6
x
3
−
5
x
2
−
6
)
+
(
3
x
2
+
10
−
9
x
3
)
?


9
x
3
−
4
x
2
+
4

9
x
3
−
4
x
2
+
4

−
3
x
3
−
2
x
2
+
4

−
3
x
3
−
2
x
2
+
4

−
3
x
3
+
8
x
2
−
4

−
3
x
3
+
8
x
2
−
4

14
x
3
+
8
x
2
+
16

Answer 1

Could you repost that please?

Answer 2

It's hard to follow the question.

Answer 3

I think its b because if u work left to right on this problem you'll get -3x to the 3rd power -2x to the 2nd power + 4 u put together the similar numbers and variables.