Add the given expressions, simplifying each result and noting the combined excluded values.
1 answer:
Answer:
The sum of the given expressions is 
x = 0 and x = -4
Step-by-step explanation:
we need to find the sum of the given expressions

To find excluded values:
x ( 4 + x ) = 0
x = 0 and 4 + x = 0
∴ x = 0 and x = -4
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