chianne60 chianne60
  • 04-04-2020
  • Mathematics
contestada

Find the sum
(2x^3-x-9)+(7x^2-5x-2)
A) 9x^2-6x-11
B)2x^3+7x^2-4x-11

C) 2x^3+7x^2-6x-7
D)2x^3+7x^2-6x-11

Respuesta :

txxliyxhh
txxliyxhh txxliyxhh
  • 04-04-2020

Answer:

D)2x^3+7x^2-6x-11

Step-by-step explanation:

(2x^3-x-9)+(7x^2-5x-2) and simplify

into 2x^3+7x^2-6x-11 (steps shown in attachment)

Ver imagen txxliyxhh
Answer Link

Otras preguntas

32/160 as a simplified fraction someone help coz I'm clueless with fractions
Why are only certain parts of the moon lit up at different times?
Click on the inference that is most logical.
A mixture of NaCl and NaBr has a mass of 2.07 g and is found to contain 0.78 g of Na. What is the mass of NaBr in the mixture?
How does bad news affect us ? Use in your own words.
the hidden history of secret passages
A college baseball team had 3 games in April. Game one had an attendance of 14,753 people. Game two had an attendance of 20,320 people. Game three had an attend
What did Shay's rebellion convince colonial leaders that they had to change?
Why Does Scientific Knowledge Change Overtime?
what is the differance between constructing a square and construciting an eguilateral triangle