B=4n*n+12

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Solution for B=4n*n+12 equation: 



=4B*B+12

We move all terms to the left:

-(4B*B+12)=0

We get rid of parentheses

-4B*B-12=0

Wy multiply elements

-4B^2-12=0

a = -4; b = 0; c = -12;
Δ = b2-4ac
Δ = 02-4·(-4)·(-12)
Δ = -192
Delta is less than zero, so there is no solution for the equation

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