1) (4х³ - 7у²х⁴) = 16х⁶ - 56х⁷у² + 49у⁴х⁸
2) (4а³ + 5с)² = 16а⁶ + 40а³с + 25с²
3) (3а² - 4х⁵) = 9а⁴ - 24а²х⁵ + 16х¹⁰
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Answers & Comments
1) (4х³ - 7у²х⁴) = 16х⁶ - 56х⁷у² + 49у⁴х⁸
2) (4а³ + 5с)² = 16а⁶ + 40а³с + 25с²
3) (3а² - 4х⁵) = 9а⁴ - 24а²х⁵ + 16х¹⁰