Question

please give the correct answer​

Answer 1

Answer:

5x²-2x+7-9+7x-3x²+4x²-x+1

=5x²-3x²+4x²-2x+7x-x+7-9+1

=6x²+4x-1

Answer 2

Answer:

this is it...

Step-by-step explanation:

hope it helps..