Try another version of this question
Solve for `x` by using the quadratic formula. If you have multiple solutions, list them separated by commas.
`4 x^2+8 x=-7`
`x=`
`4 x^2+8 x=-7`
`x=`
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
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
`-1 + sqrt(3)/2 i, -1 - sqrt(3)/2 i`