x^-2x-4=0
using quadratic formula..
plz solve this
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x²-2x-4=0
D=b²-4ac
=>(-2)²-4(1)(-4)=4+16=20
alpha=(-b+√D)/2a
=>(-(-2)+√20)/2
=>(2+√20)/2
similarly, bitta =(2-√20)/2
so,
x=(2+√20)/2 or (2-√20)/2
hope it help!!✌️✌️
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