MathsAlgebraic ExpressionAlgebraic Expressions 05A

Algebraic Expressions 05A

Table of Contents

  • Polynomial Store in Algebra
  • What’s Next?

In the previous segment, we learnt how to add and subtract terms. In this segment, we will use the concept of Polynomial store to understand why unlike terms cannot be added or subtracted.

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    Using the Polynomial store to understand addition and subtraction of terms

    Like terms can be added or subtracted but unlike terms cannot be added or subtracted. Let us understand this using the concept of a polynomial store.

    A store called the polynomial store sells red square tiles, red cube-shaped stools, wood chopping axes, green tea, yellow tea and a combo pack of square chocolate and cube-shaped toffee.

    This is the inventory of the products in the morning is as follows:

    Inventory in the polynomial store

    Here, the products can be considered as a term. So the variables are the products and the coefficient of the variables that we see is the quantity of the products.

    Thus, there are 25 red square tiles (25?2), 15 red cube stools (15?3), 10 axes (10x), 52 boxes of green tea (52g), 78 boxes of yellow tea (78y) and 100 combo packs (100?2?3).

    During the day, items sold are as follows:

    3 red square tiles (3?2), 5 boxes of green tea (5g), 25 boxes of yellow tea (25y) and 25 combo packs (25?2?3).

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