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 two cones below have the same radius, height, and volume. 6 AA Are the two cones congruent? Explain and include details to support your claim.

Pls give a correct answer and I'll give 30 POINTS AND BRAINLIEST!!!!!! Read the excerpt from the play The King of Sharks, and examine the picture: Scene 4 Fishe

What is the value of ?

How many grams of Copper are in 500grams of Cu2CO3?

Composite Figures Find the volume of the composite figure. First, find the volume of the cylinder. Use 3.14 for TT. Cylinder 8 cm Volume = [?] cm³ 5 cm 4 cm Rec

10. Halothane is a popular inhalation anesthetic. It contains 12.15% carbon, 28.86% fluorine. .506% hydrogen, 40.5% bromine, and 17.97% chlorine. What is the em

help asap pleasee, I'LL GIVE BRAINLIEST FOR THIS QUESTIONan explanation would be appreciated, thank you in advance! <33the radian measure of the central angl

A right triangular prism and its net are shown below. (All lengths are in centimeters.)

please help me with this question. ty! <333

Use the definition of continuity and the properties of limits to show that the function f(x) = x^2-9/(x^2-x-6)(x^2+6x+9) is continuous at x=2