# Check is this right?

1. Nov 30, 2004

### aisha

Solve 3x(x+2)=-18 by completing square and quadratic formula. I did both methods and got -1+or-the square root of 5 i
Can someone just tell me if this is correct?

Last edited: Nov 30, 2004
2. Nov 30, 2004

### Gokul43201

Staff Emeritus
Is that +18 or -18 ?

You're right if it's +18 and the RHS of the equation is " = 0 ".

Last edited: Nov 30, 2004
3. Nov 30, 2004

### aisha

Yes sorry the equation was =-18
Thanks for checking