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Question

Solve 5x2+x+5=0.

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Solution

Given that quadetric equation is 5x2+x+5=0

[If given qudratics equation as ax2+bx+c=0, then x=b±b24ac2a]

Then we compare given quadratic equation with standrad form, we get a=5,b=1,c=5, then

x=1±1(4×5×5)25

x=1±1925

x=1+19i25and x=119i25


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