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

The element chlorine has two naturally occurring isotopes. About 75% of chlorine isotopes are Cl-35 and about 25% are Cl-37. What is the average atomic mass of

Which is a conversion factor for this statement of equality: 12 in. = 1 foot? 12 feet1 in. 12 feet 1 in . 1 in.12 feet 1 in . 12 feet 1 foot12 in. 1

Labor unions were formed in the late 1880s, after they were formed, factory life changed dramatically. Part A: Compare and contrast at least two aspects of fa

Point G is between F and H. FH= 102, FG=5x+9, and HG=9x-5 A) What is the value of x? B) What is the length of FG? C) what is HG?

SHOW ALL WORK! PLEASE HELP (WILL GIVE BRAINLIEST)

Can someone help with problem 26 and 27 plz ASAP

1. A “score” is twenty. Calculate the number of years in “four score and seven.” Then go back from 1863. What year is Lincoln referring to?

Katie was just hired at a new sales company. She is given a $500 hiring bonus. Additionally she earns an average commission of $250 per week. What is the rate o

Solve the equations: a (9x−5/2) − (3+2x/3) − (8x−2/4) =2 b (5x−1/7) + (4x−3/2) − (3−2x/2) =6 c (8x+7/6) + (3−2x/4) − (5x−2/2) =32

Fill-in the blank with the correct form of the verb: Julie et Martin ___________ au téléphone. parles parlent parlez parler