Question

What values of x will make x^2 = 16 true ?

Answer 1

x = -4 or 4

Explanation:

⇒
`x^2=16`

⇒
`x = √(16)`

∴
`x =` ± 4

Therefore, x can be either 4 or -4 such that
`x^2=16`.

Thank You :)

Answer 2

x = 4, x = -4

Explanation:

In order to solve this equation, we need to square-root both sides.

• 
  `\sf{x^2=16}`

`√(x^2)=√(16)`

Simplify:

`x=4,x=-4`