Addition and Subtraction of Real Numbers Part 3

# Addition and Subtraction of Real Numbers Part 3

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• Example 1
• Example 2
• What’s Next?

In the previous segment, we learned how to add and subtract real numbers. In this segment, we shall continue the same.

## Example 1

Q. Add (?√? − ??√?) ??? (??√? + ?√?).

## Solution:

(6√3 − 43√4) + (23√4 + 2√3)

= (6√3 + 2√3) + (−43√4 + 23√4)

= 8√3 + (−23√4)

= 8√3 − 23√4

## Example 2

Q. Subtract (?√? + √?)????(?√? + ??√?).

## Solution:

(6√3 + 12√2) − (7√2 + √3)

=6√3 + 12√2 − 7√2 − √3

=6√3 − √3 + 12√2 − 7√2

= 5√3 + 5√2

= 5(√3 + √2)

## Related content

 What are Real Numbers? What are the Different Categories of numbers that come under Real Numbers? How do we Represent Root X on a Number Line? Part 1 How do we Represent Root X on a Number Line? Part 2 How do we Represent Root X on a Number Line? Part 3 What is the Rationalisation of the Denominator? What is a Rationalising Factor (Conjugate)? How do we Rationalise an Irrational Number (Two terms)? Multiplication and Division of Real Numbers (Order 2) Part 1 Multiplication and Division of Real Numbers (Order 2) Part 2

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