Help Me out with this question plz thx

Answer:
6x³ - 8x + 9
Step-by-step explanation:
Step 1: Write out expression
2x + 7 + 6x³ - 1 + 3 - 6x - 4x
Step 2: Combine like terms (x)
6x³ - 8x + 7 - 1 + 3
Step 3: Combine like terms (constants)
6x³ - 8x + 9
Answer:
6x^3-8x+9.
Step-by-step explanation:
Rearrange the number with its like terms.
i.e. 6x^3+2x-6x-4x+7-1+3.
which will give us 6x^3-8x+9.