Question

Hey can you please help me posted picture of question

Answer 1

The step by step solution is listed below:


`10 x^(8)+11 x^(6) -2x+5-(8 x^(8)+6 x^(7)-5) \\ \\ = 10 x^(8)+11 x^(6) -2x+5-8 x^(8)-6 x^(7)+5 \\ \\ =10 x^(8)-8x^(8)+11 x^(6) -6 x^(7)-2x+5+5 \\ \\ =2 x^(8)-6 x^(7) +11 x^(6)-2x+10`

Thus,
Option A lists the correct answer.