Try another version of this question Find the roots of the quadratic function: `f(t)=t^2+3t-18` . Fully simplify all answers. Write your answers as a list of ordered pairs separated by a comma.
Get help: Box 1: Enter your answer as an n-tuple of numbers. Example: (2,5.5172)
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 `(3,0),(-6,0)`