anonymous
  • anonymous
expand (2x-1)^5
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
calculate (2x-1)^5
anonymous
  • anonymous
( 2x - 3y )4 = (2x)4 + 4(2x)3(-3y) + 6(2x)2(-3y)2 + 4(2x)(-3y)3 + (-3y)4
anonymous
  • anonymous
32x^5 - 80x^4 + 80x^3 - 40x^2 +10x - 1

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anonymous
  • anonymous
10x - 5 because: you multiply the numbers inside the parenthesis by the exponent of 5 so, 2x multiplied by 5 is 10x and -1 by 5 to get -5...
anonymous
  • anonymous
binomial theory, or binomial expansion i forget what it is called.
anonymous
  • anonymous
this is just a busy work problem. MrSensitive has the right answer. @giulsvalentini do you know how to do it or do you need us to explain it to you?
anonymous
  • anonymous
I have to use the Triangolo di Trataglia, di you know it? sorry for my English, I'm Italian :) @Peter14
anonymous
  • anonymous
Pascal's triangle? yes, I know it
anonymous
  • anonymous
so I have to apply th formule of the development of i don't know do you say power (a^n)?
anonymous
  • anonymous
http://www.mathsisfun.com/algebra/binomial-theorem.html it's the binomial theorem.
anonymous
  • anonymous
exactly! @timo86m
anonymous
  • anonymous
link explains it very well.
anonymous
  • anonymous
if you don't know how to say something in english say it in italian. I know spanish so I could understand, and if I don't there's always google translate
anonymous
  • anonymous
I think today I won't do my math's homeworks.
anonymous
  • anonymous
Thank you @timo86m
anonymous
  • anonymous
you're skipping a day of math homework? it will only be harder tomorrow...
anonymous
  • anonymous
@giulsvalentini I will help...

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