The solutions to
2x^2 - 10x + 13 = -6x^2 - 18x - 15
are a+bi and a-bi, where a and b are positive. What is a\cdot b?
I'm sure it was a coincidence, but the problem posted before this was the exact same!
https://web2.0calc.com/questions/algebra_55622
Thanks! :)