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

How can you tell if the slope of a tangent line belongs to a certain interval? The question is: Identify each x-value at which the slope of the tangent line to

Find the vector equation for the line of intersection of the planes 5x+3y−2z=−45x+3y−2z=−4 and 5x+5z=0

The surface area of a cone is found using the formula S.A. = 3.14r^2+3.14rl. Describe what each part of the formula represents and how these parts are used to c

a scientist is studying fruit fly wings. straight wings are dominant, curly wings are recessive. which statement correctly describes the f1 generation of a stra

Imagine that you are on a jury and the defendant decides not to testify. would you interpret that as an admission of guilt? what reasons may defendant's have fo

How was society organized in the Songhai kingdom?

What is the equation of the following line (0,0) and (-4,8)

STRUGGLING, please help! Need help with a math problem. ty

what causes people to have narcolepsy?

If the cost of producing a product that sells for $50 is 12000 plus $20.00 per piece, then what is the cost equation for producing x items?