3.- Determina si las siguientes expresiones son equivalentes (SÍ O NO) y justifica tu respuesta. ¿Son expresiones equivalentes?
¿Por qué?

Expresión 1 Expresión 2
(x+2) + (x+2) + (x+2) 3x + 6
4 (b + 1). 4b + 4
y + y + y + y + y + y. 6+y
(5 + 3b) (a). 5a - 3ab
3b + 3b + a + a. 2 (3b) +2 (a)
2b + 2h 2 (b + h)

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This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.