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-2x(13x-3)+9(3x-6)-9=8-9
We move all terms to the left:
-2x(13x-3)+9(3x-6)-9-(8-9)=0
We add all the numbers together, and all the variables
-2x(13x-3)+9(3x-6)-9-(-1)=0
We add all the numbers together, and all the variables
-2x(13x-3)+9(3x-6)-8=0
We multiply parentheses
-26x^2+6x+27x-54-8=0
We add all the numbers together, and all the variables
-26x^2+33x-62=0
a = -26; b = 33; c = -62;
Δ = b2-4ac
Δ = 332-4·(-26)·(-62)
Δ = -5359
Delta is less than zero, so there is no solution for the equation
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