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Write the product by inspection:
Solution:
Consider the given equation above
In order to get the product of two trinomials, we need to do the Distributive Property of Multiplication over Addition as follows
Another way in getting the product of two trinomials is by grouping of the terms into one group. Let's group the given equation and then get the product as follows
Since (4a - 2b) is consider as one term, then we can apply the product of two binomials for the above equation as follows
Expand and simplify the above equation, we have
The above answer is exactly the same by using the first method.