Lesson Example Discussion Quiz: Class Homework |
Step-3 |
Title: Simplify the expression |
Grade: 9-a Lesson: S2-L3 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Simplify the expression: |
|
2 |
Formula: |
By using algebraic |
\$ a^2 - b^2 = (a+b)(a-b) \$ |
3 |
Step |
by simplifying |
\$ (3x+4y+3x-4y)(3x+4y-(3x-4y)) \$ |
4 |
Step |
After simplification we get |
\$ (3x+\cancel4y+3x-\cancel4y)(\cancel3x+4y-\cancel3x+4y) \$ |
5 |
Step |
After cancellation we get |
\$ (6x)(8y) \$ |
6 |
Step |
After multiplication we get |
\$ 48xy \$ |
7 |
Answer |
C |
|
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