Question

How do you solve `x^2 – 36 = 0`?

Answer 1

`x=+-6`

Explanation:

`"isolate "x^2" by adding 36 to both sides of the equation"`

`rArrx^2=36`

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

`rArrx=+-sqrt36larrcolor(blue)"note plus or minus"`

`rArrx=+-6" is the solution"`