jorgetineo2005 jorgetineo2005
  • 22-10-2021
  • Mathematics
contestada

5x(x−2)+6x−3(x^2−7)
is equivalent to which of the following expressions?

A) 2x^2+6x−9

B) 2x^2−4x−21

C) 2x^2−16x+21

D) 2x^2−4x+21

Respuesta :

Jzavala536
Jzavala536 Jzavala536
  • 22-10-2021

Answer:

D) 2x^2 - 4x + 21

Step-by-step explanation:

5x(x−2)+6x−3(x^2−7) = 2x^2 - 4x + 21

0 = 0

I used a calculator, pls let me know if im incorrect

Answer Link

Otras preguntas

One way to use your visual learning ability effectively is to A. listen to tapes. B. reread your text and notes. C. construct a model. D. teach the material
How many laws were there in the Middle Ages?
what is 7/20 as decimal?
If the diameter of a circle is 5.5 cm what is the radius ?
What would tweezers be used for in a first-aid kit? A. To remove objects from the eye B. To remove a splinter from the hand C. To pull back skin from a wound
why is the chemical energy of a battery potential energy and not kinetic energy?
A paragraph that can serve the specific purpose of creating a special effect within the essay is called? a. paragraph block b. functional paragraph c. unified
is polystyrene a mixture or pure substance
why are water molecules polar?
A motor uses motion in a magnetic field to produce an electric current. true or false