Question

3x^2+2root5x-5=0,solve this​

Answer 1

HEY MATE HERE IS UR ANSWER

3x²+2√5x-5=0

a= 3,b= 2√5,c= -5

D²=b²-4ac

D²=(2√5)²-4×3×-5

D²=40+60

D²=100

D=√100

D=10

x=-b±√D

_______

2a

Taking x(+)=>↓

x=-2√5+10

6

then,=> 2(-√5+10) 2&6 cancel

6→3

Then,=> -√5+10

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3

[ The ROOTS ARE ↓]

-√5+10 & -√5-10

3 3

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