Try another version of this question
Solve the equation: 9x3-8x2+81x-72=0
Solve the equation: 8x3-9x2-288x+324=0
Solve the equation: 8x3-9x2-288x+324=0
Box 1: Enter your answer as a complex number in a+bi form. Example: 2+5i
Enter each value as a reduced fraction (like 5/3, not 10/6) or as an integer (like 4 or -2)
Do not enter mixed numbers
Enter DNE for Does Not Exist, oo for Infinity
Decimal values are not allowed
89,3i,-3i
Box 2: Enter your answer as a complex number in a+bi form. Example: 2+5i
Enter each value as a reduced fraction (like 5/3, not 10/6) or as an integer (like 4 or -2)
Do not enter mixed numbers
Enter DNE for Does Not Exist, oo for Infinity
Decimal values are not allowed