16a-a2-64=0

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Solution for 16a-a2-64=0 equation: 



16a-a2-64=0

We add all the numbers together, and all the variables

-1a^2+16a-64=0

a = -1; b = 16; c = -64;
Δ = b2-4ac
Δ = 162-4·(-1)·(-64)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$a=\frac{-b}{2a}=\frac{-16}{-2}=+8$

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