What did I learn this week?

This week we reviewed Polynomials. I also learned how to multiply polynomials using different methods. There are different types of polynomials. For example:

Monomial: 3x  ( One term)

Binomial: 3x + 5x  (Two terms)

Trinomial: 5x – 3x²  + 20  (Three terms)

One method is algebra tiles. For example, to solve 2x ( x + 1 ) we would make two horizontal rectangles side by side. Those represent the “2x” in the equation. Then one vertical rectangle on the left side of the two horizontal rectangles. That represents the “x” in the equation. Then at the bottom of the vertical rectangle, we will make one small square that represents the (+ 1 ).

The next method I learned was the distributive law. For example, if the equation was 2 ( 3x – 10 ) we would multiply the 2 with the 3x then the 2 with the -10. Then that would equal 6x – 20. Since there are no like terms we cannot simplify, so that would be the final answer.

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