1.

2x^2+x-1/5 =0 formula method​

Answer»

Step-by-step explanation:

10x²+5x-1=0

It is in the FORM ax²+bx+c=0

Here a=10 b=5 c=-1

X=-b+/-√b²-4ac/2a

=-5+/-√25+40/20

=-5+/-√/15/20

X=-5+√15/20

or

X=-5-√15/20



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