Answer:
-0.233
Step-by-step explanation:
x =(16-√336)/10=(8-2√ 21 )/5= -0.233
hope this helps (:
I know this is SUPER late but kinda want to see if your still here .. hope so
so the answer is:
x = -8/5 + 2/5 [tex]\sqrt{21\\}[/tex]
or
x = -8/5 + -2/5 [tex]\sqrt{21}[/tex]
Always happy to help love ^u^ take care