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(-4z 3- 2z + 8) - (4z 3+3z 2- 5)
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(-4z 3- 2z + 8) - (4z 3+3z 2- 5)

(-4z 3- 2z + 8) - (4z 3+3z 2- 5)-example-1
User Michael Galos
by
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1 Answer

5 votes

Answer:

-8z³ - 3z² - 2z + 13

Explanation:


(-4z^3-2z+8)-(4z^3+3z^2-5)\\\\=-4z^3-2z+8-4z^3-3z^2-(-5)\\\\=-4z^3-2z+8-4z^3-3z^2+5\\\\\text{combine like terms}\\\\=(-4z^3-4z^3)-3z^2-2z+(8+5)\\\\=-8z^3-3z^2-2z+13

User Mattjames
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