Question

√162-√72
please answer step by step​

Answer 1

Answer:

√162-√72

=√2×81  - √36×2

=9√2 - 6√2

=3√2

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Answer 2

Answer:

Given :-

√162 - √72.

Solution :-

√162 - √72

Let us simplify both so that they reach to lowest form.

√81 x 2 - √36 x 2

= 9√2 - 6√2

=( 9 - 6 )√2

= 3√2 or √18.

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