Question

How do you solve `25x^2=9`?

Answer 1

`x=+-3/5`

Explanation:

`"divide both sides by 25"`

`rArrx^2=9/25`

`color(blue)"take the square root of both sides"`

`rArrx=+-sqrt(9/25)larrcolor(blue)"note plus or minus"`

`rArrx=+-3/5`