An envelope from the post office is 3 inches wide with a total area of 30 square inches.what is the height of the envelope
2 answers:
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Given:
To find:
The simplified rational expression by subtraction.
Solution:
Let us factor . It can be written as
.
using algebraic identity.
LCM of
Make the denominators same using LCM.
Multiply and divide the first term by (x + 1) to make the denominator same.
Now, denominators are same, you can subtract the fractions.
Expand .
