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5x^2=4x-10
We move all terms to the left:
5x^2-(4x-10)=0
We get rid of parentheses
5x^2-4x+10=0
a = 5; b = -4; c = +10;
Δ = b2-4ac
Δ = -42-4·5·10
Δ = -184
Delta is less than zero, so there is no solution for the equation
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