Answer:
x= -5 or x=4
Step-by-step explanation:
Lets first turn this into quadratic formula form
(-1 ±[tex]\sqrt{1^2-4*1*-20}[/tex]) / 2
(-1 ± 9 )/2
-10 / 2 =x or 8/2 =x
It was hard to type it in the comments hope this helped