Asked by Someone
How would you do
_______
\/ 388
_____
6
I need it for a quadratic equation it's
________
-10 + or - \/ 388
______
6
____
the answer is -5+ or - \/ 97
___
3
how did they get that ?? any help?
_______
\/ 388
_____
6
I need it for a quadratic equation it's
________
-10 + or - \/ 388
______
6
____
the answer is -5+ or - \/ 97
___
3
how did they get that ?? any help?
Answers
Answered by
Reiny
√388 = √4 √97
= 2√97
so (-10 ± √388)/10
= (-10 ± 2√97)/6
= (-5 ±√97)/3 after dividing top and bottom by 2
= 2√97
so (-10 ± √388)/10
= (-10 ± 2√97)/6
= (-5 ±√97)/3 after dividing top and bottom by 2
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