Skeletorrrrr Skeletorrrrr

23-03-2018
Mathematics

contestada

which expression is equvialent to 2x2 + (4x-6x2) + 9 - (6x+3)?
A -4x2 - 2x + 12
B -4x2 - 2x + 6
C -10x + 6
D 18x + 12

Respuesta :

garydesir1 garydesir1

23-03-2018

Hello there!

The correct answer is option B

2x² + (4x - 6x²) + 9 - (6x + 3)

Just take them out of the parentheses

2x² + 4x - 6x² + 9 -6x - 3

Combine like terms

2x² - 6x² + 4x - 6x - 3 + 9

= -4x² - 2x + 6

Thus,

The correct answer is option B

Answer Link

Otras preguntas

which religious group in Pennsylvania still relies on horses and buggies for transportation

Raja can read 20 pages in an hour. How many pages can he read each minute? Can you explain this to me with an answer?

What is 64 to the 2/3 power? PLEASE help me

how would Confucianism benefit Chinese emperors

What item was rationed until 1947? a sugar b fish c tires d oil

The train travels 120 miles in 2 hours. How far will the train travel in 4 hours?

what does wangarans mean

The following chips are placed in a bucket: 5 red, 3 yellow, 4 blue, and 1 green. One chip is randomly selected from the bucket. How often will a blue chip be s

The power input into the food processor is 1150W. The power of the spinning blade is 900W. Calculate how much energy is wasted when the food processor is used f

how is the function, y=x-3 related to y = x? Graph the function by translating the parent function.