144x²=(25x-y)y
y² - 25xy + 144x² = 0
y² - 25xy + 156.25x² - 12.25x² = 0
4y² - 100xy + 625 x² - 49x² = 0
(2y - 25x)² - (7x)² = 0
(2y - 25x + 7x)(2y - 25x - 7x)= 0
(2y - 18x)(2y - 32x)= 0
y=9x或y=16x
144x²=(25x-y)y
y² - 25xy + 144x² = 0
y² - 25xy + 156.25x² - 12.25x² = 0
4y² - 100xy + 625 x² - 49x² = 0
(2y - 25x)² - (7x)² = 0
(2y - 25x + 7x)(2y - 25x - 7x)= 0
(2y - 18x)(2y - 32x)= 0
y=9x或y=16x