How do you expand the binomial #(x-2)^3#?

1 Answer
Write your answer here...
Start with a one sentence answer
Then teach the underlying concepts
Don't copy without citing sources
preview
?

Answer

Write a one sentence answer...

Answer:

Explanation

Explain in detail...

Explanation:

I want someone to double check my answer

Describe your changes (optional) 200

8
Oct 16, 2016

Answer:

#(x-2)^3 =x^3-6x^2+12x-8#

Explanation:

#(x-2)^3 =x^3+(""_1^3)x^2(-2)+(""_2^3)x(-2)^2+(-2^3)#

#(""_1^3)=(3*2*1)/2=3#
#(""_2^3)=(3*2*1)/2=3#
You can also use Pascal's triangle
So the answer is
#(x-2)^3 =x^3-6x^2+12x-8#

Was this helpful? Let the contributor know!
1500