Question

Hey can you please help me posted picture of question

Answer 1

Hey there :)

( 2x⁷ + 4x⁴ - 2x + 3 ) - ( 4x⁴ - 2x³ + 3 )

Distribute the " - " sign inside the brackets
2x⁷ + 4x⁴ - 2x + 3 - 4x⁴ - ( - 2x³ ) - 3

Combine like terms
2x⁷ + 4x⁴ - 4x⁴ + 2x³ - 2x 
2x⁷  + 2x³ - 2x

Your answer will be $\boxed { Option \ D }$