Let's expand each of the square terms:
(х+10)² = x² + 20x + 100
(1-у)² = 1 - 2у + у²
(3а-1)² = 9а² - 6а + 1
(5-6b)² = 25 - 60b + 36b²
So, the expanded forms are:
x² + 20x + 100 = 1 - 2у + у² = 9а² - 6а + 1 = 25 - 60b + 36b²
Let's expand each of the square terms:
(х+10)² = x² + 20x + 100
(1-у)² = 1 - 2у + у²
(3а-1)² = 9а² - 6а + 1
(5-6b)² = 25 - 60b + 36b²
So, the expanded forms are:
x² + 20x + 100 = 1 - 2у + у² = 9а² - 6а + 1 = 25 - 60b + 36b²