Answer:
x = ± 7
Explanation:
Given
x² - 48 = 1 ( add 48 to both sides )
x² = 49 ( take the square root of both sides )
x = ± = ± 7
x=7
inverse problems
48+1=49
the root of 49 is 7
5.9m questions
7.7m answers
= ± 7