7x^2=-4x-1

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Solution for 7x^2=-4x-1 equation: 



7x^2=-4x-1

We move all terms to the left:

7x^2-(-4x-1)=0

We get rid of parentheses

7x^2+4x+1=0

a = 7; b = 4; c = +1;
Δ = b2-4ac
Δ = 42-4·7·1
Δ = -12
Delta is less than zero, so there is no solution for the equation

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