Question

subtract (8z^4+7z^3+2z^2-2z-9) from (8z^4+8z^3-+8z^2-5z+3). what is the degree of the resulting polynomial

Answer 1

the degree is 3

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Answer 2

  8z^4 + 8z^3 + 8z^2 - 5z + 3

- 8z^4 + 7z^3 + 2z^2 - 2z - 9

= 0       + z^3   + 6z^2 - 7z - 12

therefore the degree of the polynomial = 3

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