Find all zeros of f(x)=x3+2x2−7x−2. Enter the zeros separated by commas. Enter exact values, using radicals and/or fractions if necessary, not decimal approximations.
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 Decimal values are not allowed