[tex] {x}^{2} = - 6x - 9 \\ {x}^{2} + 6x + 9 = 0[/tex]
RESOLVEMOS POR FACTORIZACIÓN
[tex] {x}^{2} + 6x + 9 = 0 \\ ( \: x\: + \: 3)( \: x+ \: 3) = 0 \\ [/tex]
CADA FACTOR LO IGUALAMOS A CERO
[tex](x + 3)(x + 3) = 0 \\ x + 3 = 0 \: \: \: | \: \: x + 3= 0 \\ \\ \\ x1 = - 3 \: \: \: | \: \: x2 = - 3[/tex]
AMBAS RAÍCES SON:
[tex] - 3[/tex]
ARMANDO M. SALUDOS
" Life is not a problem to be solved but a reality to be experienced! "
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ECUACIONES CUADRÁTICAS
[tex] {x}^{2} = - 6x - 9 \\ {x}^{2} + 6x + 9 = 0[/tex]
RESOLVEMOS POR FACTORIZACIÓN
[tex] {x}^{2} + 6x + 9 = 0 \\ ( \: x\: + \: 3)( \: x+ \: 3) = 0 \\ [/tex]
CADA FACTOR LO IGUALAMOS A CERO
[tex](x + 3)(x + 3) = 0 \\ x + 3 = 0 \: \: \: | \: \: x + 3= 0 \\ \\ \\ x1 = - 3 \: \: \: | \: \: x2 = - 3[/tex]
AMBAS RAÍCES SON:
[tex] - 3[/tex]
ARMANDO M. SALUDOS