Question

What is the positive root of the equation c^2-6=27?

Answer 1

`√(33) ,√(-33)`

Explanation:

`c^2-6=27\\`

Add 6 to both sides.

`c^2-6+6=27+6`

Simplify

`c^2=33`

For
`x^2 = f(a)` the solutions are
`x = √(f(a)) , -√(f(a))`