1 year ago

20 POINTS!

Mathematics

1 answer:

Norma-Jean [14]1 year ago

5 0

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

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