26-04-2020
Mathematics

contestada

Select all the factors of: 7x2 − 28 options: 7 7x (x + 2) (x − 2) (x2 + 4)

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

26-04-2020

Answer:

7(x-2)(x+2)

Step-by-step explanation:

7x^2 -28

Factor out a 7

7(x^2 -4)

The terms inside the parentheses is the difference of squares, so it is factorable (a^2-b^2) = (a-b)(a+b)

7(x-2)(x+2)

Answer Link

Otras preguntas

Explain why weight-bearing activities build better bones

Describe the transformation required to obtain the graph of the given function from the basic trigonometric graph. y=csc (x) - 9 a. Vertical translation up 9 u

In L. Frank Baum’s classic tale The Wonderful Wizard of Oz, one of the themes of the story is that there is true magic inside all of us. Which of the following

Based on the current understanding of this operon, which hypothesis would be useful for James to test?

often means an orbit around earth

Susan can run 2 city blocks per minute. she wants to run 60 blocks. how long will it take get to finish if she has already run 18 blocks?

an object that is more dense than the fluid it is immersed in will do what?

The reason for our tardiness was _____ we got stuck in traffic. A.because B.that

A certain machine changes a large input force into a smaller output force. how will the machine affect the distance over which the force is applied? explain.

What enzyme came from the digestive tract of the mondoni