Seudónimo Seudónimo
  • 25-10-2021
  • Mathematics
contestada

HELP HELP WILL MARK BRAINLIEST

HELP HELP WILL MARK BRAINLIEST class=

Respuesta :

14amavanessa
14amavanessa 14amavanessa
  • 25-10-2021

Answer:

b. 10a³ - 11a - 3

Step-by-step explanation:

1. Expand 3(a³ - 2a - 5)

= 3a³ - 6a - 15

2. Add 7a³ - 5a + 12 and 3a³ - 6a - 15

7a³ + 3a³ = 10a³

-5a + -6a = -11a

12 + -15 = -3

3. Answer: b. 10a³ - 11a - 3

Answer Link

Otras preguntas

Which sentence contains an action verb? A. Her dog seems fierce. B. She was lazy last year. C. Mary works every day. D. Lynn is pretty.
The first true prokaryote cells were formed from
one day, 758 people visited the monkey house at the zoo what is 758 rounded to the nearest hundred
What was the great advantage of the Chinese written language?
75 ones + 73 tens + 6 hundreds + 6 thousands =
Which sentence contains an action verb? A. Her dog seems fierce. B. She was lazy last year. C. Mary works every day. D. Lynn is pretty.
A ball is projected horizontally from the top of a 92.0-meter high cliff with an initial speed of 19.8 m/s. Determine: (a) the horizontal displacement and (b) t
use a number line to solve 245-137
According to the work of the Curies, which action would increase the radioactivity of polonium? a. Dissolve the polonium in a solvent. b. Heat the polonium un
what are poloygons and paralelograms?