juliaytorres98 juliaytorres98

01-06-2017
Mathematics

contestada

What is the coefficient of x2 in the expansion of (x + 2)3?

Respuesta :

JunhaoZ JunhaoZ

01-06-2017

one way is that you can just factor it out: (x+2)(x+2)(x+2)
For the first pair, you get [tex]x^2+4x+4[/tex].
Then do [tex](x^2+4x+4)[/tex]*[tex](x+2)[/tex]
That will be [tex]x^3+6x^2+12x+8[/tex]
So the answer is 6

Answer Link

Otras preguntas

Which country suffered the most casualties in ww2

What is the scientific study of the universe including the observation and interpretation of celestial bodies and phenomena?

Nadia plans to paint her jewelry box. The box is shaped like a rectangular prism with the dimensionsshown. which is closest to the total surface area of the je

Which of the following ratios are equivalent to 4:5? 12:15 36 to 40 16 to 20

Martin Luther King, Jr. was the first president of this organization that used African-American churches to coordinate the civil rights movement.

Can someone check over this? And explain if it's wrong?

In which sentence is the past participle underlined?

Gracie baked 4 apple pies. She cuts the pies into halves and will give them to her neighbors. How many neighbors will get 1/2 of an Apple pie?

For a conclusion to be accepted by the scientific community, the data must be accurate, free from error, and reproducible. varied. unique. surprising.

he variable y is directly proportional to the variable x . If y = 10 when x = 6, what is the value of y when x = 15? A) 20.5 B) 25 C) 30 D) 35 i need help