Answer:
x=√2, x= -√2
Step-by-step explanation:
6x²+1=13
Subtract 1 from both sides
6x²+1-1=12-1
Simplify
6x²=12
Divide both sides by 6
6x²/3 = 12/6
x²=2
For x²= f(a) the solutions are x=√f(a), √-f(a)
