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(x^2)/2-2x+4=0
We multiply all the terms by the denominator
x^2-2x*2+4*2=0
We add all the numbers together, and all the variables
x^2-2x*2+8=0
Wy multiply elements
x^2-4x+8=0
a = 1; b = -4; c = +8;
Δ = b2-4ac
Δ = -42-4·1·8
Δ = -16
Delta is less than zero, so there is no solution for the equation
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