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Find all zeros of f(x)=4x3+24x2+23x+15. Enter the zeros separated by commas. Enter exact value, not decimal approximations.
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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
Decimal values are not allowed
-5,-12+√22i,-12-√22i