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

describe how to find the 99th number in this sequence. 1,4,9,16,25

which best describes atalanta's conflict with hippomenes? A) man vs man B) man vs nature C) man vs supernatural D) man vs society

What is the answer to this

In 2007, the FDIC’s insurance limit was $100,000 per person per bank. If Sam had a $150,000 savings account and $80,000 checking account at Bank J, a $95,000 mo

A bag contains 5 red marbles, 3 green marbles, 2 purple marbles, 2 orange marbles, and 1 blue marble. Which color marble is less likely to be picked than purpl

A pack with 6 cans of juice costs 3.48. What it the unit price? A.0.49 per can B.0.50 per can C.0.58 per can D.0.60 per can**my answer??**

What angle represents 3.5 rotations counterclockwise?

The auditorium of the music center has 3 sections. Each section has 24 rows of seats. Sections A and C have 15 seats in a row. Section B has 20 seats in a row.

Round 6,852 to the nearest thousand

Wally has a hobby. He likes making furniture. He finds that he gets many compliments on the furniture he makes. Why would it be in Wally's best interest to go t