Question

RESOLVA A EQUAÇAO (X-3)²=X²-33

Answer 1

(x-3)²=x²-33
x²-6x+9=x²-33
-6x=-33-9
-6x=-42
x=7

Answer 2

(x - 3)² = x² - 33
x² - 2.3x + 9 = x² - 33
x² - 6x + 9 = x² - 33
x² - x² - 6x = - 33 - 9
- 6x = - 42 ( - 1)
6x = 42
x = 42/6
x = 7