Question

Which represents the solution(s) of the equation x^2=49​

Answer 1

x = ± 7

Explanation:

Given

x² = 49 ( take the square root of both sides )

`√(x^2)` = ±
`√(49)` ← note plus or minus

x = ± 7

Since 7 × 7 = 49 and - 7 × - 7 = 49