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6x^2+5x=-10
We move all terms to the left:
6x^2+5x-(-10)=0
We add all the numbers together, and all the variables
6x^2+5x+10=0
a = 6; b = 5; c = +10;
Δ = b2-4ac
Δ = 52-4·6·10
Δ = -215
Delta is less than zero, so there is no solution for the equation
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