Question

How to solve 5x^2-45=0​

Answer 1

x=
`(√(45) )/(5)`

Explanation:

1) add 45 to both sides

5x^2=45

2) square root both sides

5x=
`\sqrt{45`

3) Divide both sides by 5

x=
`(√(45) )/(5)`

Answer 2

x=1.8 i think im wrong

Explanation: