Lesson Example Discussion Quiz: Class Homework |
Step-3 |
Title: Factorise the Expressions |
Grade: 8-b Lesson: S4-L4 |
Explanation: Hello Students, time to practice and review the steps. Let us take next 2-5 minutes to solve the steps for the problems. This is a good exercise to check your understanding of the concepts.Second student to identify and review important steps.Focus on understanding the concepts and application to solving problems step by step. |
Lesson Steps
| Steps | Problem | Solution |
|---|---|---|
1 |
Given that |
\$ 3ab + 21b \$ |
2 |
Each term return as the product of numerals & literals |
\$ 3×a×b + 3×7×b \$ |
3 |
Common factors in each term is |
\$ 3×b \$ |
4 |
Hence the common factor is |
\$ 3b \$ |
5 |
Taking '3b' as a common factor in the expression, we get |
\$ 3b(a + 7) \$ |
6 |
Answer |
B = \$ 3b(a + 7) \$ |
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