AM28
29.06.2019 •
Mathematics
One of the solutions to the equation 5x^2+bx+12=0 is − 4/5. find the other solution.
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Ответ:
x=-3
Step-by-step explanation:
Using Vieta's theorem (X1+X2=-b/a, X1 * X2=c/a), we can plug in the values to create:
-4/5 * x = 2.4 <- (I got this by dividing 12 by 5)
Multiply both sides by 5 to get -4x=12, and divide by -3.
x = -3
Ответ:
2
Step-by-step explanation:
I think this is the answer. plz correct me if I'm wrong :)