(х-4)² - 36 = 0Expanding the left side:x² - 8x + 16 - 36 = 0x² - 8x - 20 = 0
(7x-1)² - (x+9)² = 0Expanding the left side:49x² - 14x + 1 - x² - 18x - 81 = 048x² - 32x - 80 = 0
These are the expanded equations for the given expressions.
(х-4)² - 36 = 0
Expanding the left side:
x² - 8x + 16 - 36 = 0
x² - 8x - 20 = 0
(7x-1)² - (x+9)² = 0
Expanding the left side:
49x² - 14x + 1 - x² - 18x - 81 = 0
48x² - 32x - 80 = 0
These are the expanded equations for the given expressions.