-2x²+y-2zfrom 4x²-5y+6z
Subtract
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Answer:
6x² - 6y - 4z
Step-by-step explanation:
4x² - 5y + 6z - (-2x² + y -2z)
= 4x² - 5y - 6z + 2x² - y + 2z
= 6x² - 6y - 4z
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