7.3 THE PRODUCT-SUM METHOD

Learning objectives

At the end of this paragraph you are able to...

...explain when to use the product-sum method.

...determine what the product is and what the sum is. 

...make a table with the product and sum. 

...factorise using the product-sum method. 

Explanation video

!!IMPORTANT: The table is there to help you. If you don't need the table, please don't use it!!

Exercises (Part 1)

The exercises that you need to do are in your textbook: numbers and space. You need to copy the exercises in your notebooks before factorising it.  This decreases the chance of making mistakes. If you are done, you need to check your answers, look at It's Learning.

Exercises 7.3: 

26bcf, 29, 30, 31, 32

Exercises (Part 2)

The exercises that you need to do are in your textbook: numbers and space. You need to copy the exercises in your notebooks before factorising it.  This decreases the chance of making mistakes. If you are done, you need to check your answers, look at It's Learning.

Exercises 7.3: 

33, 34, 35