How To Find The Sum of an Arithmetic Series - Algebra

This algebra video tutorial explains how to find the sum of an arithmetic series using 2 formulas.
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[@TheOrganicChemistryTutor]

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[@selaxbox7587]

Can you help me factor 16k³+24k²+9k+1 please

[@jin_cotl]

YEAHHHH MATH

[@bobbyjefferson9536]

Thank you so much for all the help that you have given me over the years!! I’ve been watching for so long and you have saved my life so many times!!❤❤😊😊

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[@mayhtetkhine5311]

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[@kileyslife7541]

I already know this but gotta rewatch it to make SURE I know it for my exam at the end of the year👌

[@Content-is-Comedy]

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[@javiallen863]

U just saved me 🙏

[@user-dh8pb9qi3q]

Where u get the -1 in both sides in the first example where 58=3n+1 you subtract each sides by 1?

[@JustBaileey]

I haven't come across any arithmetic sum series that calculate any negative decreasing sequences. For example i need to find the sum of the first 11 term numbers in a series 3,-1,-5,-9... I found nth rule to be Un=-4n+7 which gave me the last term -37. When I apply the Sn=n(a+l)/2 i get -187 but for some odd reason, I recall that we can't have a neative sum value. I could be wrong.

[@Salah_-_Uddin]

Is it Paint or other software?

[@gardenia77]

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Can you make a video about Tales theorem.From Serbia

[@jeddavid3879]

yes

[@reshad2808]

Tysm for this vid

[@sebi_omul1400]

Thank u bro

[@Carrymejane]

Thank you button

[@josephmagnotti-jz5gy]

There's 54 increments of 3 from 4 to 58,, so
54 x 3 = 162, and 4 + 162 = 166.

[@thatomofolo452]

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[@Sophisticatedesire]

Ily

[@june_senpai9846]

Thought that said find the sun.I was about give up on math

[@AlphaGrind111]

69!??!?! niceee