Question

20 POINTS!

Answer 1

Answer:

C. $x^{3}$ - 4$x^{3}$ - 24x + 21

Step-by-step explanation:

(x - 7)($x^{2}$ + 3x - 3)

x($x^{2}$ + 3x - 3) + -7($x^{2}$ + 3x - 3)

($x^{3}$ + 3$x^{2}$ - 3x) + (-7$x^{2}$ + -21x + 21)

$x^{3}$ - 4$x^{3}$ - 24x + 21