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4x^2=3x-7=0
We move all terms to the left:
4x^2-(3x-7)=0
We get rid of parentheses
4x^2-3x+7=0
a = 4; b = -3; c = +7;
Δ = b2-4ac
Δ = -32-4·4·7
Δ = -103
Delta is less than zero, so there is no solution for the equation
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