7x*x+12.4=0

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Solution for 7x*x+12.4=0 equation: 



7x*x+12.4=0

Wy multiply elements

7x^2+12.4=0

a = 7; b = 0; c = +12.4;
Δ = b2-4ac
Δ = 02-4·7·12.4
Δ = -347.2
Delta is less than zero, so there is no solution for the equation

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