x=-(-20)/2(0.04)

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Solution for x=-(-20)/2(0.04) equation: 



x=-(-20)/2(0.04)

We move all terms to the left:

x-(-(-20)/2(0.04))=0

We multiply all the terms by the denominator


x*2(0.04))-(-(-20)=0

We add all the numbers together, and all the variables

x*2(0.04))-(+20=0

Wy multiply elements

2x^2+20=0

a = 2; b = 0; c = +20;
Δ = b2-4ac
Δ = 02-4·2·20
Δ = -160
Delta is less than zero, so there is no solution for the equation

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