16m^2+56m+49=0

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Solution for 16m^2+56m+49=0 equation: 



16m^2+56m+49=0

a = 16; b = 56; c = +49;
Δ = b2-4ac
Δ = 562-4·16·49
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$m=\frac{-b}{2a}=\frac{-56}{32}=-1+3/4$

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