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91Ó°ÊÓ

Add or Subtract Fraction.

x3+14

Short Answer

Expert verified

The value of the given fraction is 4x+312.

Step by step solution

01

Step 1. Given information

Consider the expression.

x3+14

02

Step 2. Determine the whether the given fraction has the same denominator. 

The given fraction does not have the same denominator.

So, find the least common denominator of 3and 4.

3=3·14=2·2⇒LCM=3·2·2⇒LCM=12

03

Step 3. Multiply the numerator and denominator of each fraction by a factor to get the denominator 12.

x3+14=x·43·4+1·34·3=4x12+312

04

Step 4. Apply the Fraction Addition rule:ac+bc=a+bc, where c≠0.

x3+14=4x+312

Hence, the value is 4x+312.

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