what should be subtracted from 7x²-2y²-6xy+4 to get x²+10xy-2z³+1
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Answer:
6x² - 16xy + 2z³ - 2y² + 3
Step-by-step explanation:
7x²- 2y²- 6xy + 4 - (6x² - 16xy + 2z³ - 2y² + 3)
= 7x²- 2y²- 6xy + 4 - 6x² + 16xy - 2z³ + 2y² - 3
= x² + 10xy - 2z³ + 1
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