Try another version of this question Get help: Box 1: Enter your answer as a list of values separated by commas: Example: -4, 3, 2
Solve equation by using the quadratic formula. List the solutions, separated by commas.
`2k^2+k-7 = 0`
`k` =
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(57))/4,(-1-sqrt(57))/4`