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4. Calcular el valor numérico de [tex][tex]$mn - 1$[/tex][/tex] si [tex][tex]$m = -2$[/tex][/tex] y [tex][tex]$n = 3$[/tex][/tex].

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GinnyAnswer
Para resolver la expresión [tex]\( mn - 1 \)[/tex] con los valores dados [tex]\( m = -2 \)[/tex] y [tex]\( n = 3 \)[/tex], seguimos estos pasos:

1. Primero, identificamos los valores de [tex]\( m \)[/tex] y [tex]\( n \)[/tex]. Aquí, [tex]\( m \)[/tex] es [tex]\(-2\)[/tex] y [tex]\( n \)[/tex] es [tex]\( 3 \)[/tex].

2. Sustituimos estos valores en la expresión [tex]\( mn \)[/tex]:
[tex]\[ mn = (-2) \cdot 3 \][/tex]

3. Realizamos la multiplicación:
[tex]\[ (-2) \cdot 3 = -6 \][/tex]

4. Después de encontrar el valor de [tex]\( mn \)[/tex], restamos 1 de este resultado:
[tex]\[ mn - 1 = -6 - 1 \][/tex]

5. Realizando la resta obtenemos:
[tex]\[ -6 - 1 = -7 \][/tex]

Por lo tanto, el valor numérico de [tex]\( mn - 1 \)[/tex] cuando [tex]\( m = -2 \)[/tex] y [tex]\( n = 3 \)[/tex] es [tex]\(-7\)[/tex].
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