7x^2=5x-4

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Solution for 7x^2=5x-4 equation: 



7x^2=5x-4

We move all terms to the left:

7x^2-(5x-4)=0

We get rid of parentheses

7x^2-5x+4=0

a = 7; b = -5; c = +4;
Δ = b2-4ac
Δ = -52-4·7·4
Δ = -87
Delta is less than zero, so there is no solution for the equation

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