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3x*3x-5x+1=0
We add all the numbers together, and all the variables
-5x+3x*3x+1=0
Wy multiply elements
9x^2-5x+1=0
a = 9; b = -5; c = +1;
Δ = b2-4ac
Δ = -52-4·9·1
Δ = -11
Delta is less than zero, so there is no solution for the equation
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