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

Love by factoring or finding square roots. (x+5)^2 = 36
BRAINLIESTTT ASAP!!! Which of the following statements best proves that the law of conservation of mass is obeyed during photosynthesis? The starting total num
how to write five million, forty thousand
PLEASE HELP!!!!!!!!!!!!!!!!!! Imagine that you are a citizen of a country in which a larger country comes in to expand its social, political, and economic polic
(4ab - 8a 2 + 12ac) ÷ 4a
What is the meaning of the word iniquity
Help please i will rate 5 stars
URGENT! If a solution is made by dissolving 3.00 grams of magnesium chlorite into 30.0 grams of acetic acid (C2H4O2), what's the freezing point? (Kf of acetic a
Which Is the equation of a circle with a radius of 2 and it's center at (-4,3)?
Find m∠LON????????????