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9x^2-x+5-x+10+x/10-2=1
We move all terms to the left:
9x^2-x+5-x+10+x/10-2-(1)=0
We add all the numbers together, and all the variables
9x^2-2x+x/10+12=0
We multiply all the terms by the denominator
9x^2*10-2x*10+x+12*10=0
We add all the numbers together, and all the variables
9x^2*10+x-2x*10+120=0
Wy multiply elements
90x^2+x-20x+120=0
We add all the numbers together, and all the variables
90x^2-19x+120=0
a = 90; b = -19; c = +120;
Δ = b2-4ac
Δ = -192-4·90·120
Δ = -42839
Delta is less than zero, so there is no solution for the equation
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