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 of the following is true of cells cells are not living cells have the seven properties of life some cells are living, and some are not all cells are the s

Tom is teaching jenny how to ice skate. both skaters, who are about the same size, are on the ice and wearing their skates. to help jenny get started, tom gives

Cells in many-celled organisms. A- all look at B- all have the same structure C- are usually specialized D- are the same size in every part of the

I need help with this :(

What is a financial plan?

how many degrees are in a circle of a 3/4 turn

If 2 grams of element X combine with 4 grams of element Y to form compound XY, how many grams of element Y would combine with 46 grams of X to form the same com

Calchas desires Achilles’ protection. From what?

While playing on her swing set, 10-year-old Yasmin falls and breaks her right leg. At the ER, Yasmin's parents learn that she has broken the end of her tibia wh

Why did many schools remain segregated