Need algebra help with presenting a math problem using a specific algebra concept

Algebra
Tutor: None Selected Time limit: 1 Day

Communication is considered an important component of mathematics education in order for deep learning to occur. Choose a specific algebra concept that you think you understand well, and explain it in your own words. Then, present a math problem for your classmates to solve, making use of this concept.


Jan 10th, 2016

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Adding and Subtracting

Polynomials 

To add polynomials, you can group like terms and then find their sum, or you can write them in column form and then add. To subtract a polynomial, add its additive inverse, which is the opposite of each term in the polynomial.


example

find the sum or difference

(a24a3) (5a22a7)  (12x7y) (x2y)

Arrange like terms in column form and add. Follow  Find the additive inverse of x 2y. Then group the the rules for adding signed numbers.  like terms and add. a24a 3  The additive inverse of x 2y is x 2y.

  () 5a2  (12x 7y) (x 2y)

   (12x 7y) (x 2y)

[img width="298" height="3" src="file:///C:/Users/MWANGI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image006.gif" align="left" v:shapes="Group_x0020_36581 Shape_x0020_394">(12x x) (7y 2y) 13x 5y


Please let me know if you need any clarification. I'm always happy to answer your questions.
Jan 10th, 2016

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