write the degree of the polynomial (x+1)(x2-x-x4+1)

x+1x2-x-x4+1=xx2-x-x4+1+1x2-x-x4+1=x3-x2-x5+x+x2-x-x4+1=x3-x5-x4+1Degree=5

  • 20
5
  • 2
2
  • -5
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