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

what is longitude? what is latitude?
How do you tell if a caterpillar is a boy or girl?
Which of the following is not a result of heavy use of irrigation water? A. Leaching of nutrients B. Increase in salt concentration of the soil C. Increase in s
Which of the lines from the poem How do I love thee? (Sonnet 43) contains a change in intonation? A. I love thee freely, as men strive for Right; B. How do I lo
What is the equation for a quadratic equation?
Analyze the origins and outcomes of the intense cultural conflicts of the 1920s. In your response, focus on TWO of the following: Immigration, Prohibition, Rel
write the composite function that represents (goF)(x)
Michelle is thinking of a shape. It is not a polygon. It has two sides what is it?
What is the first 7 square numbers?
what is 1/3 + 7/12 x 4