Question

¿Qué producto es equivalente a la siguiente expresión? 4a²b² + 3ab – 2a³b² + 4a²b

Answer 1

Respuesta:

The triple of a number increased by three, plus seven times the same number decreased by 1 can be represented by:

A) 7x + 2

B) 3x + 3 + 7y - 1

C) 10x +2

D) 3x + 7

2. Half of Cristobal's age 7 years ago can be expressed by

A) (x - 7) / 2

B) x / 2 - 7

C) x - 7/2

D) (x - 2) / 7

3. Which of the following expressions is equivalent to 3x + 5ab - 3y + 10y + 8ab + 3x?

A) x + 13ab + 13y

B) 6x + 3ab + 7y

C) 10x + 13ab + 13y

D) 6x + 13ab + 7y

Explicación paso a paso: