Question

can someone help me with this question thanks! : )

Answer 1

Answer:

C) $x^7-x^6+2x^5-3x^4+4x^3+6x-3$

Step-by-step explanation:

$x^3+2x-1(x^4-x^3+3)\\x^7-x^6+3x^3+2x^5-2x^4+6x-x^4+x^3-3\\x^7-x^6+2x^5-3x^4+4x^3+6x-3$