Try another version of this question Solve equation by using the quadratic formula. List the solutions, separated by commas. `4r^2-3r-3 = 0` `r` =
Get help: Box 1: Enter your answer as a list of values separated by commas: Example: -4, 3, 2
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 `(3+sqrt(57))/8,(3-sqrt(57))/8`