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9x^2-6x=-10
We move all terms to the left:
9x^2-6x-(-10)=0
We add all the numbers together, and all the variables
9x^2-6x+10=0
a = 9; b = -6; c = +10;
Δ = b2-4ac
Δ = -62-4·9·10
Δ = -324
Delta is less than zero, so there is no solution for the equation
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