Desenvolvimento Alg�brico
[ ( 1 )x² + ( -2 )x + ( -454 ) ] = 0
a = ( 1 );
b = ( -2 );
c = ( -454 );
Calculando Δ
Δ = b² - 4.a.c
Δ = {( -2 )² - [ 4.( 1 ).( -454 ) ]}
Δ = 1820
C�lculo das Ra�zes
X' = {-b + ²√Δ} / {2.a}
X' = { 2 + ²√( 1820 } / { 2.( 1 )}
X' = ( 22,33072901 );
X" = {-b - ²√Δ} / {2.a}
X" = { 2 - ²√( 1820 )} / { 2.( 1 )}
X" = ( -20,33072901 );
Solu��o / Resposta
S = { 22,33072901 , -20,33072901 }