blueeyedlady blueeyedlady

03-12-2015
Mathematics

contestada

Which of the following expressions is not equivalent to:
4(3x2 + 6x)

A. 12x2 + 24x B. 2x(6x + 12) C. 6x(2x2 + 4x)

Respuesta :

VenusRetrograde VenusRetrograde

03-12-2015

Answer=C

4(3x^2+6x)
can be simplified to...
12x^2+24x

To find out which expression isn't equivalent, you have to simplify them...

a=12x^x+24x

b=2x(6x+12)
b=12x^2+24x

c=6x(2x^2+4x)
c=12x^3+24x

Answer Link

Otras preguntas

Metamorphic rocks that foliate are created by unequal pressure equal pressure

The gazebo in the park is an octagon. Each side of the gazebo is 4 feet long. What is the perimeter of the gazebo? A. 32 feet B. 36 feet C. 24 feet D. 30 feet

How many valence electrons does copper contain?

Which of the following elements is stable? A. Carbon, atomic number 6 B. Neon, atomic number 10 C. Fluorine, atomic number 9 D. Boron, atomic number 5

Why did adulis become such an important center of trade?

_____ believed that as animals became more complex, so did their emotions. a. Charles Darwin b. George Romanes c. Carolus Linnaeus d. Ivan Pavlov

Write a paragraph explaining how advances in technology influenced the European Age of Exploration. Use specific examples of at least two technological advances

explain how is it possible to have thousands of different proteins when there are only a 20 different amino acids

Wich process producers only identical offspring

The number of goals scored by a hockey team in each of its first 10 games is 2, 4, 0, 3,4, 1, 3, 1, 1, and 5. Find the mean number of goals scored