smcnabb2001
smcnabb2001 smcnabb2001
  • 25-03-2020
  • Mathematics
contestada

Simplify the following expression -5[(x^3+1)(x+4)]
A.) x^4+x^3+4x
B.) -5x^4-20x^3-5x-20
C.) -5x^4+20x^3-5
D.) x^4+4x^3+x+4

Respuesta :

devishri1977
devishri1977 devishri1977
  • 25-03-2020

Answer:

B

Step-by-step explanation:

-5[ (x³+1)(x+4) ] = -5[ x³*(x+4) + 1*(x+4) ]

      = -5 [ x³*x + x³*4 + 1*x + 1*4 ]

      = -5 [ x⁴ + 4x³ + x + 4]

      = -5*x⁴ + (-5)*4x³ + (-5)*x + (-5) * 4

      = -5x⁴ - 20x³ - 5x - 20

Answer Link

Otras preguntas

The policy of increasing the size of a country Isolationism Expansionism Conservation Prohibition
Shakespearean Tragedy What is the exposition of Othello?
0.2x + 0.3 = 0.1x + 0.5
WHO HERE'S GOOD AT MATH AND CAN HELP ME???
In a school, small noses (S) are dominant to Big noses (b). List the three possible genotypes and phenotypes in the offspring below. Genotypes: Phenotypes:
Please just show work on how to solve!
The muscular and skeletal systems of the human body work together to - A fight infections. B circulate blood. C allow motion. D digest food. ​
Which statement best describes the obstacles the United States faced after the Civil War? -The North faced many rebuilding challenges in its cities, while the S
Soon after the battle of bunker hill in 1775, George Washington did wat?
Which best describes nuclear fusion? O A nucleus spontaneously splits and absorbs energy O Two nuclei spontaneously combine and absorb energy. O A nucleus colli