Question

Help meeeeeeeeee I need the answer

Answer 1

Answer:

d is the answer

Step-by-step explanation:

Answer 2

Answer:

B.

Step-by-step explanation:

$?=(10x^{2} -6x+1)-(5x+7)-(8x^{2} -4x)$

  $=10x^{2} -8x^{2} -6x-5x+4x+1-7$

 $=2x^{2} -11x-4x-6$

  $=2x^{2} -7x-6$

Hope this helps