1. Special Products
For success in a lot of this mathematics, it is worth knowing these well:

EXAMPLES:
Example 1: Multiply 
Answer:

Example 2: Multiply 
Answer:

Example 3: Multiply 
Answer:

Example 4: Expand 
Here is a LiveMath
document to illustrate this.
LIVEMath
Normal answer:

Example 5: Expand (y -
6)2
Answer:

Example 6: Expand 
Answer:

Example 7: Expand 
Answer:

Special Products involving Cubes

Example: Expand 
Answer:

Exercises:
Expand:
(1) (s +
2t)(s −
2t)
Answer
(2) (i1 +
3)2
Answer
(3) (3x +
10y)2
Answer
(4) (3p −
4q)2
Answer

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