eli719 eli719
  • 03-02-2019
  • Mathematics
contestada

Write the expression 7x^3-28xy^2 as the product of 3 factors

Respuesta :

Аноним Аноним
  • 03-02-2019

Answer:

7x(x - 2y)(x + 2y).

Step-by-step explanation:

First take out the GCF which is 7x:

7x^3-28xy^2

= 7x(x^2- 4y^2)

Now factor the expression in the brackets:

= 7x(x - 2y)(x + 2y)   (answer).

Answer Link
mathecoach
mathecoach mathecoach
  • 03-02-2019

Answer:

7·x^3 - 28·x·y^2

= 7·x·(x^2 - 4·y^2)

= 7·x·(x + 2·y)·(x - 2·y)


Answer Link

Otras preguntas

can someone please help me on this !
Find the area of the following polygon
A needle is 2 inches long. A piece of ribbon is 6 feet long. Which diagram and statement best represents their lengths?
If events A and B are DEPENDENT, then A) A and B must occur together. B) A and B cannot occur together. C) A's occurrence can affect the probability of B's oc
Carl is shipping a cardboard box that is a rectangular prism. The net of Carl's box is shown. 4 inches 6 inches H-10 inches What is the area of cardboard, in sq
그러나 그는 이어 아직 수상 소감 같은 것도 준비 안했다 있는 것 같습니다 달리 산적과 아낙네 있는 것 같습니다
Write a literary analysis essay of 500–750 words about a literary element in The Alchemist
Lolll I need help again! URGENT!!!!
second question answer for me
Which 1950s rock star did Berry Gordy model his vision after, creating music that he thought could appeal to not only a black audience, but a white one as well?