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43=-10x^2-6x
We move all terms to the left:
43-(-10x^2-6x)=0
We get rid of parentheses
10x^2+6x+43=0
a = 10; b = 6; c = +43;
Δ = b2-4ac
Δ = 62-4·10·43
Δ = -1684
Delta is less than zero, so there is no solution for the equation
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