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olga55 [171]
3 years ago
9

Can someone help me please?

Mathematics
1 answer:
Artemon [7]3 years ago
3 0

11) -7x⁶ + 5x⁴ - 3x² + 1; sextic

12) 3x² - 5z² + 7xz; cubic

14) -2x³y + 4x²y² + xy³ - y⁴; cubic


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