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2x^2-16.5x=-(8.25)^2
We move all terms to the left:
2x^2-16.5x-(-(8.25)^2)=0
We add all the numbers together, and all the variables
2x^2-16.5x+68.0625=0
a = 2; b = -16.5; c = +68.0625;
Δ = b2-4ac
Δ = -16.52-4·2·68.0625
Δ = -272.25
Delta is less than zero, so there is no solution for the equation
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