U=8-13-(2x2)

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Solution for U=8-13-(2x2) equation: 



=8-13-(2U^2)

We move all terms to the left:

-(8-13-(2U^2))=0

We get rid of parentheses

2U^2-8+13=0

We add all the numbers together, and all the variables

2U^2+5=0

a = 2; b = 0; c = +5;
Δ = b2-4ac
Δ = 02-4·2·5
Δ = -40
Delta is less than zero, so there is no solution for the equation

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