Question

How do you solve `15-20x²=0`?

Answer 1

Solution: `x= sqrt3/2 and x= - sqrt3/2`

Explanation:

`15-20x^2=0 or 20x^2=15` or

`x^2=15/20 or x^2 = 3/4`

`:.x =+- sqrt(3/4):. x= sqrt3/2 and x= - sqrt3/2`

Solution: `x= sqrt3/2 and x= - sqrt3/2` [Ans]