mikegarus
mikegarus
15-06-2018
Mathematics
contestada
Solution set for 6a^2-a-5=0
Respuesta :
codyt1211
codyt1211
15-06-2018
(step 1) (6a+5)(a-1)=0
(step 2) 6a+5=0 or a-1=0
answer is
a= -5/6 or a= 1
i hope this helps! ;)
Answer Link
gmany
gmany
15-06-2018
[tex]6a^2-a-5=0\\\\6a^2+5a-6a-5=0\\\\a(6a+5)-1(6a+5)=0\\\\(6a+5)(a-1)=0\iff6a+5=0\ \vee\ a-1=0\\\\6a+5=0\ \ |-5\\6a=-5\ \ \ |:6\\a=-\dfrac{5}{6}\\\\a-1=0\ \ \ |+1\\a=1\\\\Answer:\ \boxed{a=-\dfrac{5}{6}\ \vee\ a=1}[/tex]
Answer Link
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