juliaytorres98 juliaytorres98
  • 01-06-2017
  • Mathematics
contestada

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

Respuesta :

JunhaoZ
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 dog must be shot in Chapter 4? Group of answer choices A. Spitz B. Sol-Leks C. Dave D. Dolly
Jack went to the store to buy orange juice. The one-liter container was $2.99. The one-quart container was the same price. Which is the better buy? help plss
If the andromeda galaxy collided with the milky way, what would most likely happen to earth?.
Convert the polar equation to rectangular coordinates. (use variables x and y as needed. )
find the volume pleaseeeee
Convert the rectangular equation to polar form. X2 y2 = 64
Marissa is an avid marathon runner, and she trains incessantly. She has slimmed down so that she is now underweight for her height and has very little fat tissu
What kinds of sports are played by one person? A. Mixed B. Individual C. none of these D. Team
What is cash and carry
Suppose that x has the density function f(x) = cx 0 < x < 2 identify c