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12345 [234]
3 years ago
13

Find only the rational roots of x4 – 9x3 + 16x2 + 18x – 36 = 0

Mathematics
1 answer:
laila [671]3 years ago
8 0
<span>x² - 18x - 4 = ox² - 18x = 4x² - 18x + (18/2)² = 4 + (18/2)²x² - 18x + 81

</span>
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