j0azzap1ershmilia j0azzap1ershmilia

24-11-2016
Mathematics

contestada

Choose the correct simplification of (2x3 + x2 − 4x) − (9x3 − 3x2).

Respuesta :

Greenleafable Greenleafable

25-11-2016

You start off by multiplying the second bracket by -1 to get rid of the bracket.
So,
(2x3 + x2 - 4x) - 9x3 + 3x2 =
2x3 +x2 - 4x - 9x3 + 3x2 =
(2x3 - 9x3) + (x2 + 3x2) - 4x =
-7x3 + 4x2 - 4x

Answer Link

Otras preguntas

Persuading or convincing others to accept your argument means the reasoning must be logical. Which of the following is an example of logical flaws or fallacies?

What type of organization is used in a paragraph that lists similarites between two objects

Find value of unknown angle(s) and state reason/theorem why

If someone takes their achilles tendon what kind of tissue is that?

Which critical election established the current democratic and republican parties as dominant within americas 2 party system?

Please help me. Which statement explains how the sharecropping system kept emancipated slaves tied to the plantation land they had worked before the Civil War?

Toxins from seafood, mushrooms and mold present great potential for

What would the magnification of a specimen viewed with a compound light microscope that has an objective power of 10x and an ocular lens power of 5x?a.) 5xb.) 1

After the terrorist attacks, what other targets did investigators discover? Lincoln Memorial White House Air Force One Washington Memorial Library of Congress

Expand (2x-3y)^4 using Pascal's Triangle. Show work