Try another version of this question Get help: Box 1: Enter your answer as a list of complex numbers in a+bi form separated with commas. Example: 2+5i,-3-4i
Solve for `x` by using the quadratic formula. If you have multiple solutions, list them separated by commas.
`9 x^2+12 x=-6`
`x=`
Enter each value as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity `-2/3 + sqrt(2)/3 i, -2/3 - sqrt(2)/3 i`