imcoool345664 imcoool345664
  • 27-01-2021
  • Mathematics
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clarch19
clarch19 clarch19
  • 27-01-2021

Answer:

-3x³ - 4x² + x - 9

Step-by-step explanation:

 -5x³ + 2x² + x - 7

- (-2x³ + 6x² + 0 + 2)     remember:  when you subtract, you 'add the opposite'

 -3x³ + (-4x²) + x + (-9)

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