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2. algebra tiles were used to model the expression 3(x + 2). which expr…

Question

  1. algebra tiles were used to model the expression 3(x + 2).

which expression is equivalent to 3(x + 2)?
a. 3x + 6
b. 3x + 2
c. x + 6
d. 6x

Explanation:

Step1: Aplicar la propiedad distributiva

Multiplicar el factor exterior por cada término dentro del paréntesis:
$$3(x + 2) = 3 \cdot x + 3 \cdot 2$$

Step2: Realizar las multiplicaciones

Calcular cada producto:
$$3 \cdot x = 3x, \quad 3 \cdot 2 = 6$$

Step3: Combinar los términos

Unir los resultados para obtener la expresión equivalente:
$$3x + 6$$

Answer:

a. $3x + 6$