If one of the roots of the quadratic equation x^2 + mx…

If one of the roots of the quadratic equation x^2 + mx + 22 = 0 is 1.5, then what is the value of m?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · test #158