x(x-3)+7=0

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Solution for x(x-3)+7=0 equation: 



x(x-3)+7=0

We multiply parentheses

x^2-3x+7=0

a = 1; b = -3; c = +7;
Δ = b2-4ac
Δ = -32-4·1·7
Δ = -19
Delta is less than zero, so there is no solution for the equation

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