Question

4 = b2 solve please help

Answer 1

b=2

Explanation:

Assuming that b2 is
`b^2`, simply sqrt both sides to get

`b^2=4\\√(b^2) =√(4) \\b=2`

OR

Assuming b2 is 2b, divide both sides by 2 to get

`2b=4\\(2b)/(2)=\frac42\\b=2`