Question

find the equivalent expression (3n+2 - 6n2) + (-4n3 - 1 + 8n)

a -5n3+11n+1

b-4+11n-1

c-8n3+11n+1

d-4n3+11n+1

Answer 1

Answer: $-4n^3 -6n^2 +11n+1$

Step-by-step explanation:

$(3n+2-6n^2)+(-4n^3 -1+8n)\\\\=3n+2-6n^2 -4n^3 -1+8n\\\\=-4n^3 -6n^2 +11n+1$