mimipumkin101 mimipumkin101

26-01-2021
Mathematics

contestada

What is the sum of the polynomials
(8x^2-9y^2-4x)+ (x^2-3y^2-7x)

Options:
A: 7x^2-6y^2+3x
B: 9x^2-6y^2+3x
C: 9x^2-12y^2+3x
D: 9x^2-12y^2-11x

Respuesta :

happifeet126 happifeet126

26-01-2021

Answer:

D: 9x^2-12y^2-11x

Step-by-step explanation:

(8x^2-9y^2-4x)+ (x^2-3y^2-7x)

1. Eliminate redundant parentheses

8x^2-9y^2-4x+ x^2-3y^2-7x

2. Combine like terms

9x^2-12y^2-11x

3. Solution

9x^2-12y^2-11x

Answer Link

Otras preguntas

why might a county executive be more independent of the board than a county manager?

The ________ plays a central role in the circulatory system. It consists of four ________: two for receiving blood and two for pumping blood. A. kidney, vein

What does renewable resources mean? A. means that the resource can be renewed by growth or by reproduction B. means that resource can be renewed by replacing it

ferns and reptiles appeared in the____ era

What are three items from the Populist Party platform that eventually made their way into American life?

How did the political parties affect voter turnout when they were stronger? A. Voter turnout was 100%. B. Voter turnout was very high. C. Voter t

calculate the number of molecules/m3 in an ideal gas at stp.

what is a over b minus c over b equal

Use a case study to explain why a coastal habitat has distinct characteristics

The Cold War earned its name because a. most of it took place in the north of the Soviet Union. b. the most important p21 took place during the winter. c. it