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

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Solution for 7(x^2-2x+4)=0 equation: 



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

We multiply parentheses

7x^2-14x+28=0

a = 7; b = -14; c = +28;
Δ = b2-4ac
Δ = -142-4·7·28
Δ = -588
Delta is less than zero, so there is no solution for the equation

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